the cosmological argument proves the existence of god essay

Essay: Cosmological Argument

February 26, 2013.

Evaluate the Strengths and Weaknesses of the Cosmological Argument for Proving God Exists. (40)

This essay, of A grade standard, has been submitted by a student. PB

The Cosmological argument is an argument put forward by the Christian Philosopher St. Thomas Aquinas (1225-1274) in an attempt to prove God’s existence. However, it is important to take into account that Aquinas already had a strong belief in God when putting this theory forward in his Summa Theologiae, meaning that instead of trying to prove God’s existence, he was more trying to solidify his already established faith based on reason through looking at the cause of the Universe which Aquinas claims must be God.

In Summa Theolgiae, Aquinas attempts to logically prove God’s existence in his ‘Five Ways’ though the first three are the ones which are predominantly sited when referring to the argument. The first of these give ways make similar points based on the idea that infinite regression is not possible; there must have been one thing that started off everything that happened. Aquinas argues that this must be God. The first way is an argument for an ‘Unmoved Mover’. Here, Aquinas claims that everything in the world is in a constant state of change or ‘motion.’ He goes on to argue that something cannot be both potentially and actually the same thing; a cup of boiling tea could not be both hot and potentially hot, though it could be potentially cold and actually hot. By this logic, everything which is ‘in a state of movement’ must have been put into this state by a different object. Because of Aquinas’ rejection of the possibility of infinite regression, this means that there must have been a ‘first mover’ who is ‘put into motion by no other.’ This is, by Aquinas’ logic.

The second way makes a very similar point and is an argument for an ‘Uncaused Cause.’ Aquinas starts off by stating that nothing can be an efficient cause of itself; everything is caused by something else. The efficient causes of a thing follow in order meaning that there was a first cause which caused a second cause and so on and so forth. Once again, because Aquinas rejects the possibility of infinite regression, this means that ‘it is necessary to admit a first efficient cause to which everyone gives the name of God.’ Both of these two ways are heavily influenced by Aristotle’s idea of a prime mover. However, Aquinas does not mean to argue that God is merely the being that started off the chain of events which lead to cause the universe and everything in it. He is rather claiming that he must still exist; Coppleston used the example of winding up a pocket watch every night rather than knocking over the first domino in a chain.

These two ways leave Aquinas’ argument open for several criticisms, as well as showing some strength. One such strength is the way in which it is a satisfying argument for Humans to understand. It is true that, by human, a posteriori logic, things must indeed have a cause which exists outside its own essence or self. We as humans were caused by our parents and the universe was caused by the big bang. However, if the big bang required matter to take place, then that matter, logically, had to have been caused by something and put into the correct environment for the event to take place. Aquinas argues that this causer must have been God.

However, it is possible to severely weaken Aquinas’ argument if you argue that it is in fact possible to have an infinite chain of regression. Seeing as the argument is hinged upon the assumption that this is impossible, disregarding this assumption therefore dramatically reduces the strength of the argument. The philosopher David Hume questioned the very notion of cause and effect. He argued that we make assumptions about the relationship between Cause and Effect which are by no means necessarily true. While it is true that, according to human logic, infinite regression does not seem logical, in mathematics, it is possible to have an infinite series of regression; numbers can keep increasing or decreasing in size infinitely, thereby proving that infinite regression is entirely possible. Using a posteriori knowledge, it may seem apparent that every effect has a cause. However, if you use a priori knowledge, you could easily reason that, not everything which exists has a cause. It is impossible to claim that this is analytically true. Hume would argue that the universe is just a ‘brute fact’; it just is and has no cause. This completely undermines Aquinas’ first two ways.

The Fallacy of Composition is another weakness of Aquinas’ first two ways which David Hume outlines and uses to weaken the Cosmological Argument. While it may indeed be true that everything in the universe does have a cause, it does not necessarily mean that the universe itself has a cause; the fact that everything which humans can observe can be explained by a precedent cause, this doesn’t mean that the universe can be explained in the same way. The atheistic philosopher Betrand Russell agrees with this point and claims that while all humans have mothers, ‘Obviously, the human race hasn’t a mother, that’s a different logical sphere’ in his book Why I Am Not a Christian.

However, Aquinas’ argument can be re-strengthened through Anscombe’s criticism of Hume’s criticism in ‘Whatever Has a Beginning of Existence Must Have a Cause’: Hume’s Argument Exposed. In this work, Anscombe argues that while it possible to imagine something coming into existence without a cause, this does not mean that it is ‘possible to suppose “without contradiction of absurdity”’ that this is the case. For example, though it may be possible to imagine a magician pulling a rabbit out of a magician’s hat without having a cause of its existence, this does not mean that it is logical to think that it is possible. By this logic, while it is possible imagining the universe coming into existence without a cause, that does not mean that it is logical or reasonable to think so.

Aquinas goes on to attempt to further strengthen his Cosmological Argument in his Third Way: The Argument from Contingency. In this way, Aquinas argues that all things which exist in nature are contingent; they did not exist, in the future will cease to exist and, as well as this, it is possible for them never to have come into existence. Aquinas believed that, using this logic, the fact that everything used to not exist must mean that there was a time when nothing at all existed because there would be nothing to bring anything else into existence. Therefore, ‘there must exist something the existence of which is necessary.’ Aquinas goes on to state that, because he believes infinite regression to be impossible, there must be ‘some being having of itself its own necessity…causing in others their necessity’ which he argues is God. In other words, seeing as how there was once a time when nothing contingent existed, there must have been a non-contingent, necessary being which is necessary in itself to cause the existence of contingent things.

This third way could be argued to be either strong or weak. One strength which the argument holds is that, as with the first two ways, this argument appeals strongly to human reason and logic, leading it to be widely accepted by empiricists. In accordance with human logic, things in existence are indeed caused by other things; we are made by our parents, mountains are made by tectonic plate movement etc. Aquinas draws on this logic when putting forward his third way, meaning that it is a fairly satisfying argument.

However, there are also several strengths which are pointed out by philosophers including Immanuel Kant and J.L. Mackie. Kant’s criticism lies in his rejection of the concept of necessary existence. He entirely rejects the idea of the existence of a subject being necessary; existence could not possibly be a defining predicate of a sunject as it adds nothing to the definition of the subject. In other words, nothing can be necessary. However, this criticism could be weakened by arguing that Kant is just rehashing his criticism of the Ontological differences despite the obvious differences in the Ontological and Cosmological Arguments (Ontological Argument is a priori, Cosmological argument is a posteriori).

Another weakness of the Cosmological Argument is put forward by J.L. Mackie in his The Miracle of Theism. Mackie accepts the logic behind Aquinas’ third way up until the point when he claims that the cause of all contingent objects must be a necessary being. While Aquinas argues that all contingent things whose essence does not include existence must rely on a necessary being to exist, Mackie retorts by claiming that this is not necessarily true; contingent beings could be argued, by Aquinas’ logic, to have been ultimately caused by some necessary stock of matter which has always existed and always will. This severely undermines Aquinas’ third way by proving that Aquinas’ logic has not actually managed to prove the necessity of a Christian God, but rather just some necessary thing-a being, beings or otherwise.

The Cosmological Argument for proving God’s existence has a number of clear strengths and weaknesses. Personally, however, I would argue that the argument’s criticisms outweigh its strengths, thereby making it a weak argument for proving God’s existence. One clear strength of the arguments is its appeal to human logic and reason. As an a posteriori argument which is based on human experience, it satisfies human assumptions. It is illogical to humans to think of an infinite chain of regression in regards to anything, let alone to creation of the universe. However, this strength does not necessarily add to the arguments ability to prove the existence of God, but more to the accessibility of the argument to a wide range of people.

Conversely, perhaps the most severe and damaging criticism of this argument is the idea that an infinite chain of regression is in fact possible. When writing Summa Theologiae and outlining his Cosmological Argument, Aquinas makes the assumption that it is impossible to have an infinite chain of aggression; there must be an ‘uncaused causer’ or ‘unmoved mover.’ However, retrospectively, this assumption is by no means necessarily true. In terms of mathematics, infinite regress is entirely possible as it is always possible to increase or decrease a number. Therefore, it is definitely possible to infinitely regress. This hugely takes away from the strength of the argument as it is upon this assumption which Aquinas bases his entire premise.

On the other hand, a clear strength of the argument is outlined by Copleston in his radio debate with Russell in 1948, and that is that the argument does offer a sound reason as to why anything exists through developing on Aquinas’ Argument from Contingency. In this debate, Copleston claims that the universe is, in itself, not a physical thing, it is instead the aggregate (or sum of) all the objects which it contains. He goes on to argue that all the things which make up the universe are contingent and, as a result, do not contain their own reason for existence. Therefore, seeing as the universe is the aggregate of these contingent parts, the universe itself must also be contingent and therefore have a cause outside of itself; Copleston argues (and Aquinas would agree) that the only feasible cause of the universe is God. While this is an obvious strength, the degree to which it strengthens the argument could be brought into existence because, once again, it relies on the assumption that an infinite regression is not possible which, if untrue, would completely unbalance the entire argument.

Contrary to this, there is another very obvious weakness to the argument which contradicts this idea of God being the only feasible explanation for the creation of the contingent argument, and that is that, while Aquinas’ logic in building up to this conclusion is sound, his reasoning does nothing to prove that it is the omniscient, omnibenevolent, omnipresent, omnipotent God of Christianity which initially caused the creation of the Universe. This argument is put forward by J.L Mackie. He argues that, assuming that Aquinas is right in claiming there cannot be infinite regression, and assuming that the existence of everything contingent relies on the existence of some necessary thing, there is no proof that the initial cause of the universe is a necessary being. He claims that, by Aquinas’ logic, the cause could be a ‘permanent stock of matter whose essence did not involve existence from anything else.’ Equally, the creator of the universe could well be a necessary being, but not the Christian God; it could be Allah, or even the multiple Gods of Hinduism. This again is a strong criticism of Aquinas’ argument as it shows that, even if his logic in reaching his conclusion is accurate, his conclusion lacks evidence and therefore, does not prove the existence of a Christian God.

Yet another obvious weakness of the Cosmological argument was highlighted by Russell in the afore mentioned radio debate with Copleston and is supported by David Hume. While, according to human reason, all effects have a cause (a headache may be caused by banging your head, or you may put on weight from eating a lot of fatty foods), it is, Russell and Hume would argue, to assume that this is true in the case of the universe as it is ‘a different logical sphere.’ Russell used the example of humans; while all humans have mothers, ‘Obviously, the human race doesn’t have a mother.’ Therefore, not only is there the possibility of infinite regress when looking at the cause of the universe, but there is also the possibility that the universe is ‘just a brute fact’ which ‘just is’ and needs no further explanation; in laymen’s terms, it has always existed. Again, this is a clearly thought out criticism of the Cosmological Argument which takes away from its strength.

Overall, therefore, it is clear that, while not without its strengths, the Cosmological Argument is a weak argument for proving God’s existence as it lacks in both the proof given for the conclusion that the Christian God is the cause of the universe and in the logic behind the concept that the universe must have had a cause at all.

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6.3 Cosmology and the Existence of God

Learning objectives.

By the end of this section, you will be able to:

Describe teleological and moral arguments for the existence of God.
Outline Hindu cosmology and arguments for and against the divine.
Explain Anselm’s ontological argument for the existence of God.
Articulate the distinction between the logical and evidential problems of evil.

Another major question in metaphysics relates to cosmology. Cosmology is the study of how reality is ordered. How can we account for the ordering, built upon many different elements such as causation, contingency, motion, and change, that we experience within our reality? The primary focus of cosmological arguments will be on proving a logically necessary first cause to explain the order observed. As discussed in earlier sections, for millennia, peoples have equated the idea of a first mover or cause with the divine that exists in another realm. This section will discuss a variety of arguments for the existence of God as well as how philosophers have reconciled God's existence with the presence of evil in the world.

Teleological Arguments for God

Teleological arguments examine the inherent design within reality and attempt to infer the existence of an entity responsible for the design observed. Teleological arguments consider the level of design found in living organisms, the order displayed on a cosmological scale, and even how the presence of order in general is significant.

Aquinas’s Design Argument

Thomas Aquinas’s Five Ways is known as a teleological argument for the existence of God from the presence of design in experience. Here is one possible formulation of Aquinas’s design argument:

Things that lack knowledge tend to act toward an end/goal.
It is obvious that it is not by chance.
Things that lack knowledge act toward an end by design.
If a thing is being directed toward an end, it requires direction by some being endowed with intelligence (e.g. the arrow being directed by the archer).
Therefore, some intelligent being exists that directs all natural things toward their end. This being is known as God.

Design Arguments in Biology

Though Aquinas died long ago, his arguments still live on in today’s discourse, exciting passionate argument. Such is the case with design arguments in biology. William Paley (1743–1805) proposed a teleological argument, sometimes called the design argument, that there exists so much intricate detail, design, and purpose in the world that we must suppose a creator. The sophistication and incredible detail we observe in nature could not have occurred by chance.

Paley employs an analogy between design as found within a watch and design as found within the universe to advance his position. Suppose you were walking down a beach and you happened to find a watch. Maybe you were feeling inquisitive, and you opened the watch (it was an old-fashioned pocket watch). You would see all the gears and coils and springs. Maybe you would wind up the watch and observe the design of the watch at work. Considering the way that all the mechanical parts worked together toward the end/goal of telling time, you would be reluctant to say that the watch was not created by a designer.

Now consider another object—say, the complexity of the inner workings of the human eye. If we can suppose a watchmaker for the watch (due to the design of the watch), we must be able to suppose a designer for the eye. For that matter, we must suppose a designer for all the things we observe in nature that exhibit order. Considering the complexity and grandeur of design found in the world around us, the designer must be a Divine designer. That is, there must be a God.

Often, the design argument is formulated as an induction:

In all things we have experienced that exhibit design, we have experienced a designer of that artifact.
The universe exhibits order and design.
Given #1, the universe must have a designer.
The designer of the universe is God.

Think Like a Philosopher

Read “ The Fine-Tuning Argument for the Existence of God ” by Thomas Metcalf.

Evaluate the arguments and counterarguments presented in this short article. Which are the most cogent, and why?

Moral Arguments for God

Another type of argument for the existence of God is built upon metaethics and normative ethics. Consider subjective and objective values. Subjective values are those beliefs that guide and drive behaviors deemed permissible as determined by either an individual or an individual’s culture. Objective values govern morally permissible and desired outcomes that apply to all moral agents. Moral arguments for the existence of God depend upon the existence of objective values.

If there are objective values, then the question of “Whence do these values come?” must be raised. One possible answer used to explain the presence of objective values is that the basis of the values is found in God. Here is one premise/conclusion form of the argument:

If objective values exist, there must be a source for their objective validity.
The source of all value (including the validity held by objective values) is God.
Objective values do exist.
Therefore, God exists.

This argument, however, raises questions. Does moral permissibility (i.e., right and wrong) depend upon God? Are ethics an expression of the divine, or are ethics better understood separate from divine authority? To explore this topic further, students will find a helpful overview and updated references in the Stanford Encyclopedia article, " Moral Arguments for the Existence of God ."

Write Like a Philosopher

Watch “ God & Morality: Part 2 ” by Steven Darwall.

Darwall’s argument for the autonomy of ethics may be restated as follows:

God knows morality best (1:44).
God knows what is best for us (2:12).
God has authority over us (2:48).

How does Darwall refute the conclusion? What is the evidence offered, and at what point within the argument is the evidence introduced? What does his approach suggest about refutational strategies? Can you refute Darwall’s argument?

As you write, begin by defining the conclusion. Remember that in philosophy, conclusions are not resting points but mere starting points. Next, present the evidence, both stated and unstated, and explain how it supports the conclusion.

The Ontological Argument for God

An ontological argument for God was proposed by the Italian philosopher, monk, and Archbishop of Canterbury Anselm (1033–1109). Anselm lived in a time where belief in a deity was often assumed. He, as a person and as a prior of an abbey, had experienced and witnessed doubt. To assuage this doubt, Anselm endeavored to prove the existence of God in such an irrefutable way that even the staunchest of nonbelievers would be forced, by reason, to admit the existence of a God.

Anselm’s proof is a priori and does not appeal to empirical or sense data as its basis. Much like a proof in geometry, Anselm is working from a set of “givens” to a set of demonstrable concepts. Anselm begins by defining the most central term in his argument—God. For the purpose of this argument, Anselm suggests, let “God” = “a being than which nothing greater can be conceived.” He makes two key points:

When we speak of God (whether we are asserting God is or God is not), we are contemplating an entity who can be defined as “a being than which nothing greater can be conceived.”
When we speak of God (either as believer or nonbeliever), we have an intramental understanding of that concept—in other words, the idea is within our understanding.

Anselm continues by examining the difference between that which exists in the mind and that which exists both in the mind and outside of the mind. The question is: Is it greater to exist in the mind alone or in the mind and in reality (or outside of the mind)? Anselm asks you to consider the painter—for example, define which is greater: the reality of a painting as it exists in the mind of an artist or that same painting existing in the mind of that same artist and as a physical piece of art. Anselm contends that the painting, existing both within the mind of the artist and as a real piece of art, is greater than the mere intramental conception of the work.

At this point, a third key point is established:

Have you figured out where Anselm is going with this argument?

If God is a being than which nothing greater can be conceived (established in #1 above);
And since it is greater to exist in the mind and in reality than in the mind alone (established in #3 above);
Then God must exist both in the mind (established in #2 above) and in reality;
In short, God must be. God is not merely an intramental concept but an extra-mental reality as well.

Hindu Cosmology

One of the primary arguments for the existence of God as found within Hindu traditions is based on cosmological conditions necessary to explain the reality of karma. As explained in the introduction to philosophy chapter and earlier in this chapter, karma may be thought of as the causal law that links causes to effects. Assuming the doctrine of interdependence, karma asserts that if we act in such a way to cause harm to others, we increase the amount of negativity in nature. We therefore hurt ourself by harming others. As the self moves through rebirth ( samsara ), the karmic debt incurred is retained. Note that positive actions also are retained. The goal is liberation of the soul from the cycle of rebirth.

Maintenance of the Law of Karma

While one can understand karmic causality without an appeal to divinity, how the causal karmic chain is so well-ordered and capable of realizing just results is not as easily explainable without an appeal to divinity. One possible presentation of the argument for the existence of God from karma could therefore read as follows:

If karma is, there must be some force/entity that accounts for the appropriateness (justice) of the karmic debt or karmic reward earned.
The source responsible for the appropriateness (justice) of the debt or reward earned must be a conscious agent capable of lending order to all karmic interactions (past, present, and future).
Karmic appropriateness (justice) does exist.
Therefore, a conscious agent capable of lending order to all karmic interactions (past, present, and future) must exist.

Physical World as Manifestation of Divine Consciousness

The cosmology built upon the religious doctrines allows for an argument within Hindu thought that joins a version of the moral argument and the design argument. Unless a divine designer were assumed, the moral and cosmological fabric assumed within the perspective could not be asserted.

Hindu Arguments Against the Existence of God

One of the primary arguments against the existence of God is found in the Mīmāmsā tradition. This ancient school suggests that the Vedas were eternal but without authors. The cosmological and teleological evidence as examined above was deemed inconclusive. The focus of this tradition and its several subtraditions was on living properly.

Problem of Evil

The problem of evil poses a philosophical challenge to the traditional arguments (in particular the design argument) because it implies that the design of the cosmos and the designer of the cosmos are flawed. How can we assert the existence of a caring and benevolent God when there exists so much evil in the world? The glib answer to this question is to say that human moral agents, not God, are the cause of evil. Some philosophers reframe the problem of evil as the problem of suffering to place the stress of the question on the reality of suffering versus moral agency.

The Logical Problem of Evil

David Hume raised arguments not only against the traditional arguments for the existence of God but against most of the foundational ideas of philosophy. Hume, the great skeptic, starts by proposing that if God knows about the suffering and would stop it but cannot stop it, God is not omnipotent. If God is able to stop the suffering and would want to but does not know about it, then God is not omniscient. If God knows about the suffering and is able to stop it but does not wish to assuage the pain, God is not omnibenevolent. At the very least, Hume argues, the existence of evil does not justify a belief in a caring Creator.

The Evidential Problem of Evil

The evidential problem considers the reality of suffering and the probability that if an omnibenevolent divine being existed, then the divine being would not allow such extreme suffering. One of the most formidable presentations of the argument was formulated by William Rowe :

There exist instances of intense suffering which an omnipotent, omniscient being could have prevented without thereby losing some greater good or permitting some evil equally bad or worse. An omniscient, wholly good being would prevent the occurrence of any intense suffering it could, unless it could not do so without thereby losing some greater good or permitting some evil equally bad or worse. (Therefore) there does not exist an omnipotent, omniscient, wholly good being. (Rowe 1979, 336)

Western Theistic Responses to the Problem of Evil

Many theists (those who assert the existence of god/s) have argued against both the logical and evidential formulations of the problem of evil. One of the earliest Christian defenses was authored by Saint Augustine. Based upon a highly Neo-Platonic methodology and ontology, Augustine argued that as God was omnibenevolent (all good), God would not introduce evil into our existence. Evil, observed Augustine, was not real. It was a privation or negation of the good. Evil therefore did not argue against the reality or being of God but was a reflection for the necessity of God. Here we see the application of a set of working principles and the stressing of a priori resulting in what could be labeled ( prima facie ) a counterintuitive result.

An African Perspective on the Problem of Evil

In the above sections, the problem of evil was centered in a conception of a god as all-powerful, all-loving, and all-knowing. Evil, from this perspective, reflects a god doing evil (we might say reflecting the moral agency of a god) and thus results in the aforementioned problem—how could a “good” god do evil or perhaps allow evil to happen? The rich diversity of African thought helps us examine evil and agency from different starting points. What if, for example, the lifting of the agency (the doing of evil) was removed entirely from the supernatural? In much of Western thought, God was understood as the creator. Given the philosophical role and responsibilities that follow from the assignment of “the entity that made all things,” reconciling evil and creation and God as good becomes a problem. But if we were to remove the concept of God from the creator role, the agency of evil (and reconciling evil with the creator) is no longer present.

Within the Yoruba-African perspective, the agency of evil is not put upon human agency, as might be expected in the West, but upon “spiritual beings other than God” (Dasaolu and Oyelakun 2015). These multiple spiritual beings, known as “Ajogun,” are “scattered around the cosmos” and have specific types of wrongdoing associated specifically with each being (Dasaolu and Oyelakun 2015). Moving the framework (or cosmology) upon which goodness and evil is understood results in a significant philosophical shift. The meaning of evil, instead of being packed with religious or supernatural connotations, has a more down-to-earth sense. Evil is not so much sin as a destruction of life. It is not an offense against an eternal Creator, but an action conducted by one human moral agent that harms another human moral agent.

Unlike Augustine’s attempt to explain evil as the negation of good (as not real), the Yoruban metaphysics asserts the necessity of evil. Our ability to contrast good and evil are required logically so that we can make sense of both concepts.

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1000-Word Philosophy: An Introductory Anthology

Philosophy, One Thousand Words at a Time

Cosmological Arguments for the Existence of God

Author: Thomas Metcalf Categories: Philosophy of Religion , Metaphysics , Historical Philosophy , Islamic Philosophy Word count: 1000

Why is there something rather than nothing?

Intuitively, it could have been that nothing existed at all. Yet you and I are here, plus a whole universe of other stuff. We had parents, and our parents had parents, who had parents, and on and on, back to prebiotic chemicals, stars, and the Big Bang. Yet where did that come from? Surely there has to be some sort of ultimate explanation, right?

Cosmological arguments for God’s existence propose that God is the ultimate explanation or cause of everything. Such arguments begin with an empirical observation of the world—that there is motion, or causes, or just ordinary things that exist—and conclude this observation is explained by God’s existence. [1]

This essay surveys three types of cosmological arguments.

1. First-Cause Cosmological Arguments

St. Thomas Aquinas (1225-1274 CE) argued that all the causation and motion we observe can be traced back to God, who is an uncaused cause or unmoved mover. [2] In summary:

Causes and motion exist.
All causation or motion requires some prior cause or motion; things can’t happen nor move for no reason.
But this chain of causation or motion cannot go back infinitely; this seems impossible.
Therefore, there must be a first, uncaused cause, or first, unmoved mover.
The most plausible example of an uncaused cause or unmoved mover would be God.
Therefore, God exists.

To challenge (2), one might argue that things can just happen for no reason. [3]

To challenge (3), one might question why exactly there can’t be an infinite regress of causes or motion: while this is puzzling, so are uncaused causes. [4] Some also argue that there’s a contradiction in the argument: if every cause or motion requires some prior cause, then how would God or anything else be an exception? [5]

To challenge the inference from (4) to (5), the existence of God, one might ask why the first cause or unmoved mover can’t be a mindless event: it wouldn’t have to be God or a god. [6]

2. The Kalām Cosmological Argument

While the First-Cause Argument holds that God is the ultimate originator of all causation or motion, the kalām cosmological argument is more limited: it’s only about God’s being the cause of the universe’s beginning to exist . [7] In summary:

If something begins to exist, its existence was caused by something.
The universe, including time and space, cannot go back infinitely far in time.
Therefore, the universe began to exist.
Therefore, the universe’s existence was caused by something.
The most-plausible example of a creator of time and space would be something like God.

The standard support for (1) is both intuitive and empirical. If things could begin to exist uncaused, why doesn’t that happen more often? In terms of our experience, that just doesn’t happen.

Following William Lane Craig, the leading contemporary proponent of this argument, we can distinguish both philosophical and scientific evidence for (2). [8]

The main philosophical evidence is that, allegedly, infinities cannot exist in the real physical world: e.g., a hotel with infinitely many rooms could be full, and yet accommodate infinitely many buses each containing infinitely many passengers without having to kick anyone out. [9]

The main scientific evidence comes from cosmology and thermodynamics, both of which suggest that the universe cannot have an infinite past.

Still, philosophers and scientists have challenged both of these alleged lines of evidence: e.g., there is some scientific evidence that the universe did not begin to exist after all. [10]

As for (5), again, why would the creator have to be God? Why couldn’t it have been some mindless force instead? Defenders of the argument sometimes reply as follows: [11]

All causes we know of are either mechanical or personal, where mechanical causes are just events that follow laws of nature, and personal causes are intentional—perhaps freely-willed—choices. Yet laws of nature seem to be a part of time, and the creation of the universe was allegedly the creation of time itself.

Therefore, defenders allege, the creation couldn’t have been a consequence of a simple law of nature.

3. Contingency Arguments

Cosmological arguments from contingency depend on the concepts of contingency and necessity. Contingent beings actually exist, but could have not existed. In contrast, a necessary being exists and could not possibly not have existed. The same terms describe truths or facts: A contingent fact is actually the case but could have not been the case, and a necessary truth is true, must be true and couldn’t have been false. [12]

Gottfried Leibniz (1646-1716 CE) developed the most famous contingency cosmological argument. [13] In summary:

Every contingent being needs an explanation for its existence, the cause or reason for its existence.
Contingent beings can’t be the cause or reason for their own existence.
Therefore, the explanation for the existence of contingent beings must be some non-contingent being; and since it’s non-contingent, that being must exist necessarily.
The most-plausible necessarily existing explanation for all the contingent beings would be God.

The support for (1) is a principle sometimes called the ‘Principle of Sufficient Reason,’ according to which things don’t just happen for no reason at all. [14]

The support for (2) is intuition or experience: it seems strange for a contingent being to somehow explain its own existence, and that certainly doesn’t happen in our experience.

Some critics challenge the Principle of Sufficient Reason. A few others argue that a being could potentially explain itself. [15]

One might also question (4). Perhaps this necessary being could be some sort of mindless entity or law of nature.

4. Conclusion

Cosmological arguments enlist both scientific and philosophical evidence to make their cases. The only general objection to all of them challenges the last step: to conclude that the ultimate explanation is God, and not something else.

To claim that the universe began to exist is counter-intuitive, but so is claiming that it never began to exist. It’s mysterious to think that God caused it and mysterious to imagine that there’s no first cause. Cosmological arguments attempt to make progress against these mysteries.

[1] Cosmological arguments are a posteriori arguments, meaning that the justification for at least one premise of the argument is empirical or sensory-based, in contrast to a priori arguments, which depend on thought and reflections alone for the justification for their premises. An example of an a priori argument for God’s existence is the ontological arguments; further examples of a posteriori arguments for God’s existence include design arguments. See The Ontological Argument for the Existence of God by Andrew Chapman, Design Arguments for the Existence of God by Tom Metcalf and Epistemology, or Theory of Knowledge by Tom Metcalf for further discussion of the a priori and a posteriori distinction. Note that philosophers generally regard cosmological arguments to be the most-persuasive arguments for the existence of God (PhilPapers n.d.).

[2] Aquinas (2017 [1920], I, q.2, a3).

[3] See Smith (1993: 121-23) on quantum mechanics, plus Leibniz’s Principle of Sufficient Reason by Marc Bobro.

[4] See Cameron (2021) on infinite regress arguments and see below at n. 9 for some discussion of whether actual infinities are possible.

[5] A version of this objection is sometimes stated in the form of a question: “What caused God?” Defenders of cosmological arguments typically argue that God, unlike the events in the universe, does not need a cause after all, perhaps because he is a necessary being, or did not begin to exist. See the following two types of cosmological arguments in this entry.

[6] See e.g. O’Connor (2004) and Rasmussen (2009) for attempts to bridge this gap.

[7] Craig (1979: 42); Richardson (2021). The argument goes back at least as far as al-Ghazālī (c. 1058-1111 CE). For more on Al-Ghazālī see also Al-Ghazālī’s Dream Argument by John Ramsey.

[8] Craig (1979: 65); see Reichenbach (2021: Section 7) for more-detailed discussion of these steps.

[9] See Oppy et al. (2021, Section 5.1). Here’s the example in more detail: If infinitely many people arrive and want rooms at the hotel, the hotel management can move all the existing guests into the room that’s double their current room number, thereby freeing up infinitely many new rooms without having to kick anyone out. As for infinitely many infinitely-large buses, imagine that each room at the hotel is numbered by a positive integer: 1, 2, 3, 4, and so on. Imagine that each of these infinitely large buses is numbered by a prime number greater than 2 as in 3, 5, 7, 11, and so on. And each passenger in each of the buses is numbered by a positive integer, as in 1, 2, 3, 4, and so on. Now when the infinitely many buses arrive, move the hotel guest in room 1 into room 2 1 = 2; the hotel guest in room 2 into room 2 2 = 4; the hotel guest in room 3 into room 2 3 = 8, and so on. Move the first passenger in bus #3 into room 3 1 = 3; the second passenger into room 3 2 = 9; the third passenger into room 3 3 = 27; and so on. Move the first passenger in bus #5 into room 5 1 = 5; the second passenger into room 5 2 = 25; the third passenger into room 5 3 = 125; and so on. Move the first passenger in bus #7 into room 7 1 = 7; the second passenger into room 7 2 = 49; and so on. The infinitely many infinitely-large buses’ passengers can all get rooms at the hotel without kicking anyone out. See Pires (2016) for more discussion.

[10] It may go back infinitely in time after all, or it may be wrong to consider it an event (Grünbaum 1991).

[11] See e.g. Craig (1994: 117) and compare Morriston (2000).

[12] See Possibility and Necessity: An Introduction to Modality by Andre Leo Rusavuk for more explanation of these concepts.

[13] Aquinas (2017 [1920], I, q.2, a3) offered a sort of contingency-based argument too. See also Gale and Pruss (1999).

[14] See Leibniz’s Principle of Sufficient Reason by Marc Bobro for an overview.

[15] Maybe there could be closed loops in time. See e.g. Lewis (1976) and Time Travel by Taylor Cyr, § 3.

Aquinas, T. (2017 [1920]). The Summa Theologiae of St. Thomas Aquinas (2 ed.). Ed. Kevin Knight. Tr. Fathers of the English Dominican Province.

Cameron, R. (2021). Infinite Regress Arguments. In E. N. Zalta (ed.), The Stanford Encyclopedia of Philosophy, Fall 2021 edition.

Craig, W. L. (1979). The Kalām Cosmological Argument . Eugene, OR: Wipf and Stock.

Craig, W. L. (1994). Reasonable Faith. Wheaton, IL: Crossway Books.

Gale, R. M. and Pruss, A. R. (1999). A new cosmological argument. Religious Studies, 35(4), 461-76.

Grünbaum, A. (1991). Creation as a Pseudo-Explanation in Current Physical Cosmology. Erkenntnis , 35(1), 233-254.

Lewis, D. (1976). The paradoxes of time travel. American Philosophical Quarterly , 13(2), 145-152.

Morriston, W. (2000). Must the Beginning of the Universe Have a Personal Cause? A Critical Examination of the Kalam Cosmological Argument. Faith and Philosophy , 17(2), 149-169.

O’Connor, T. (2004). “And This All Men Call God.” Faith and Philosophy , 21(4), 417-35.

Oppy, G.; Hájek, A.; Easwaran, K.; and Mancosu, P. (2021). Infinity. In E. N. Zalta (ed.), The Stanford Encyclopedia of Philosophy, Fall 2021 edition.

PhilPapers. (N.d.). Survey results. 2020 PhilPapers Survey .

Pires, A. (2016). Hospitality at the Grand Hilbert Hotel. The Institute Letter , Spring 2016.

Rasmussen, J. (2009). From a Necessary Being to God. International Journal for Philosophy of Religion , 66(1), 1-13.

Richardson, K. (2021). Causation in Arabic and Islamic Thought. In E. N. Zalta (ed.), The Stanford Encyclopedia of Philosophy, Fall 2021 edition.

Reichenbach, B. (2021). Cosmological Arguments. In E. N. Zalta (ed.), The Stanford Encyclopedia of Philosophy, Fall 2021 edition.

Smith, Q. (1993). The Uncaused Beginning of the Universe . In W. L. Craig and Q. Smith, Theism, Atheism, and Big Bang Cosmology (Oxford: Clarendon Press), 108-140.

Related Essays

The Concept of God: Divine Attributes by Bailie Peterson

Leibniz’s Principle of Sufficient Reason by Mark Bobro

The Ontological Argument for the Existence of God by Andrew Chapman

Design Arguments for the Existence of God by Tom Metcalf

Epistemology, or Theory of Knowledge by Tom Metcalf

Al-Ghazālī’s Dream Argument for Skepticism by John Ramsey

Possibility and Necessity: An Introduction to Modality by Andre Leo Rusavuk

Time Travel by Taylor W. Cyr

About the Author

Tom Metcalf is an associate professor at Spring Hill College in Mobile, AL. He received his PhD in philosophy from the University of Colorado, Boulder. He specializes in ethics, metaethics, epistemology, and the philosophy of religion. Tom has two cats whose names are Hesperus and Phosphorus. http://shc.academia.edu/ThomasMetcalf

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2.2: The Cosmological Argument (St. Thomas Aquinas)

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9 The Cosmological Argument St. Thomas Aquinas 15

Article 1. Whether the existence of God is self-evident?

Objection 1. It seems that the existence of God is self-evident. Now those things are said to be self-evident to us the knowledge of which is naturally implanted in us, as we can see in regard to first principles. But as Damascene says (De Fide Orth. i, 1,3), "the knowledge of God is naturally implanted in all." Therefore the existence of God is self-evident.

Objection 2. Further, those things are said to be self-evident which are known as soon as the terms are known, which the Philosopher (1 Poster. iii) says is true of the first principles of demonstration. Thus, when the nature of a whole and of a part is known, it is at once recognized that every whole is greater than its part. But as soon as the signification of the word "God" is understood, it is at once seen that God exists. For by this word is signified that thing than which nothing greater can be conceived. But that which exists actually and mentally is greater than that which exists only mentally. Therefore, since as soon as the word "God" is understood it exists mentally, it also follows that it exists actually. Therefore the proposition "God exists" is self-evident.

Objection 3. Further, the existence of truth is self-evident. For whoever denies the existence of truth grants that truth does not exist: and, if truth does not exist, then the proposition "Truth does not exist" is true: and if there is anything true, there must be truth. But God is truth itself: "I am the way, the truth, and the life" (John 14:6) Therefore "God exists" is self-evident.

On the contrary, No one can mentally admit the opposite of what is self-evident; as the Philosopher (Metaph. iv, lect. vi) states concerning the first principles of demonstration. But the opposite of the proposition "God is" can be mentally admitted: "The fool said in his heart, There is no God" (Psalm 53:2). Therefore, that God exists is not self-evident.

I answer that, A thing can be self-evident in either of two ways: on the one hand, self-evident in itself, though not to us; on the other, self-evident in itself, and to us. A proposition is self-evident because the predicate is included in the essence of the subject, as "Man is an animal," for animal is contained in the essence of man. If, therefore the essence of the predicate and subject be known to all, the proposition will be self-evident to all; as is clear with regard to the first principles of demonstration, the terms of which are common things that no one is ignorant of, such as being and non-being, whole and part, and such like. If, however, there are some to whom the essence of the predicate and subject is unknown, the proposition will be self-evident in itself, but not to those who do not know the meaning of the predicate and subject of the proposition. Therefore, it happens, as Boethius says (Hebdom., the title of which is: "Whether all that is, is good"), "that there are some mental concepts self-evident only to the learned, as that incorporeal substances are not in space." Therefore I say that this proposition, "God exists," of itself is self-evident, for the predicate is the same as the subject, because God is His own existence as will be hereafter shown (I:3:4). Now because we do not know the essence of God, the proposition is not self-evident to us; but needs to be demonstrated by things that are more known to us, though less known in their nature — namely, by effects.

Reply to Objection 1. To know that God exists in a general and confused way is implanted in us by nature, inasmuch as God is man's beatitude. For man naturally desires happiness, and what is naturally desired by man must be naturally known to him. This, however, is not to know absolutely that God exists; just as to know that someone is approaching is not the same as to know that Peter is approaching, even though it is Peter who is approaching; for many there are who imagine that man's perfect good which is happiness, consists in riches, and others in pleasures, and others in something else.

Reply to Objection 2. Perhaps not everyone who hears this word "God" understands it to signify something than which nothing greater can be thought, seeing that some have believed God to be a body. Yet, granted that everyone understands that by this word "God" is signified something than which nothing greater can be thought, nevertheless, it does not therefore follow that he understands that what the word signifies exists actually, but only that it exists mentally. Nor can it be argued that it actually exists, unless it be admitted that there actually exists something than which nothing greater can be thought; and this precisely is not admitted by those who hold that God does not exist.

Reply to Objection 3. The existence of truth in general is self-evident but the existence of a Primal Truth is not self-evident to us.

Article 2. Whether it can be demonstrated that God exists?

Objection 1. It seems that the existence of God cannot be demonstrated. For it is an article of faith that God exists. But what is of faith cannot be demonstrated, because a demonstration produces scientific knowledge; whereas faith is of the unseen (Hebrews 11:1). Therefore it cannot be demonstrated that God exists.

Objection 2. Further, the essence is the middle term of demonstration. But we cannot know in what God's essence consists, but solely in what it does not consist; as Damascene says (De Fide Orth. i, 4). Therefore we cannot demonstrate that God exists.

Objection 3. Further, if the existence of God were demonstrated, this could only be from His effects. But His effects are not proportionate to Him, since He is infinite and His effects are finite; and between the finite and infinite there is no proportion. Therefore, since a cause cannot be demonstrated by an effect not proportionate to it, it seems that the existence of God cannot be demonstrated.

On the contrary, The Apostle says: "The invisible things of Him are clearly seen, being understood by the things that are made" (Romans 1:20). But this would not be unless the existence of God could be demonstrated through the things that are made; for the first thing we must know of anything is whether it exists.

I answer that, Demonstration can be made in two ways: One is through the cause, and is called "a priori," and this is to argue from what is prior absolutely. The other is through the effect, and is called a demonstration "a posteriori"; this is to argue from what is prior relatively only to us. When an effect is better known to us than its cause, from the effect we proceed to the knowledge of the cause. And from every effect the existence of its proper cause can be demonstrated, so long as its effects are better known to us; because since every effect depends upon its cause, if the effect exists, the cause must pre-exist. Hence the existence of God, in so far as it is not self-evident to us, can be demonstrated from those of His effects which are known to us.

Reply to Objection 1. The existence of God and other like truths about God, which can be known by natural reason, are not articles of faith, but are preambles to the articles; for faith presupposes natural knowledge, even as grace presupposes nature, and perfection supposes something that can be perfected. Nevertheless, there is nothing to prevent a man, who cannot grasp a proof, accepting, as a matter of faith, something which in itself is capable of being scientifically known and demonstrated.

Reply to Objection 2. When the existence of a cause is demonstrated from an effect, this effect takes the place of the definition of the cause in proof of the cause's existence. This is especially the case in regard to God, because, in order to prove the existence of anything, it is necessary to accept as a middle term the meaning of the word, and not its essence, for the question of its essence follows on the question of its existence. Now the names given to God are derived from His effects; consequently, in demonstrating the existence of God from His effects, we may take for the middle term the meaning of the word "God".

Reply to Objection 3. From effects not proportionate to the cause no perfect knowledge of that cause can be obtained. Yet from every effect the existence of the cause can be clearly demonstrated, and so we can demonstrate the existence of God from His effects; though from them we cannot perfectly know God as He is in His essence.

Article 3. Whether God exists?

Objection 1. It seems that God does not exist; because if one of two contraries be infinite, the other would be altogether destroyed. But the word "God" means that He is infinite goodness. If, therefore, God existed, there would be no evil discoverable; but there is evil in the world. Therefore God does not exist.

Objection 2. Further, it is superfluous to suppose that what can be accounted for by a few principles has been produced by many. But it seems that everything we see in the world can be accounted for by other principles, supposing God did not exist. For all natural things can be reduced to one principle which is nature; and all voluntary things can be reduced to one principle which is human reason, or will. Therefore there is no need to suppose God's existence.

On the contrary, It is said in the person of God: "I am Who am." (Exodus 3:14)

I answer that, The existence of God can be proved in five ways.

The first and more manifest way is the argument from motion. It is certain, and evident to our senses, that in the world some things are in motion. Now whatever is in motion is put in motion by another, for nothing can be in motion except it is in potentiality to that towards which it is in motion; whereas a thing moves inasmuch as it is in act. For motion is nothing else than the reduction of something from potentiality to actuality. But nothing can be reduced from potentiality to actuality, except by something in a state of actuality. Thus that which is actually hot, as fire, makes wood, which is potentially hot, to be actually hot, and thereby moves and changes it. Now it is not possible that the same thing should be at once in actuality and potentiality in the same respect, but only in different respects. For what is actually hot cannot simultaneously be potentially hot; but it is simultaneously potentially cold. It is therefore impossible that in the same respect and in the same way a thing should be both mover and moved, i.e. that it should move itself. Therefore, whatever is in motion must be put in motion by another. If that by which it is put in motion be itself put in motion, then this also must needs be put in motion by another, and that by another again. But this cannot go on to infinity, because then there would be no first mover, and, consequently, no other mover; seeing that subsequent movers move only inasmuch as they are put in motion by the first mover; as the staff moves only because it is put in motion by the hand. Therefore it is necessary to arrive at a first mover, put in motion by no other; and this everyone understands to be God.

The second way is from the nature of the efficient cause. In the world of sense we find there is an order of efficient causes. There is no case known (neither is it, indeed, possible) in which a thing is found to be the efficient cause of itself; for so it would be prior to itself, which is impossible. Now in efficient causes it is not possible to go on to infinity, because in all efficient causes following in order, the first is the cause of the intermediate cause, and the intermediate is the cause of the ultimate cause, whether the intermediate cause be several, or only one. Now to take away the cause is to take away the effect. Therefore, if there be no first cause among efficient causes, there will be no ultimate, nor any intermediate cause. But if in efficient causes it is possible to go on to infinity, there will be no first efficient cause, neither will there be an ultimate effect, nor any intermediate efficient causes; all of which is plainly false. Therefore it is necessary to admit a first efficient cause, to which everyone gives the name of God.

The third way is taken from possibility and necessity, and runs thus. We find in nature things that are possible to be and not to be, since they are found to be generated, and to corrupt, and consequently, they are possible to be and not to be. But it is impossible for these always to exist, for that which is possible not to be at some time is not. Therefore, if everything is possible not to be, then at one time there could have been nothing in existence. Now if this were true, even now there would be nothing in existence, because that which does not exist only begins to exist by something already existing. Therefore, if at one time nothing was in existence, it would have been impossible for anything to have begun to exist; and thus even now nothing would be in existence — which is absurd. Therefore, not all beings are merely possible, but there must exist something the existence of which is necessary. But every necessary thing either has its necessity caused by another, or not. Now it is impossible to go on to infinity in necessary things which have their necessity caused by another, as has been already proved in regard to efficient causes. Therefore we cannot but postulate the existence of some being having of itself its own necessity, and not receiving it from another, but rather causing in others their necessity. This all men speak of as God.

The fourth way is taken from the gradation to be found in things. Among beings there are some more and some less good, true, noble and the like. But "more" and "less" are predicated of different things, according as they resemble in their different ways something which is the maximum, as a thing is said to be hotter according as it more nearly resembles that which is hottest; so that there is something which is truest, something best, something noblest and, consequently, something which is uttermost being; for those things that are greatest in truth are greatest in being, as it is written in Metaph. ii. Now the maximum in any genus is the cause of all in that genus; as fire, which is the maximum heat, is the cause of all hot things. Therefore there must also be something which is to all beings the cause of their being, goodness, and every other perfection; and this we call God.

The fifth way is taken from the governance of the world. We see that things which lack intelligence, such as natural bodies, act for an end, and this is evident from their acting always, or nearly always, in the same way, so as to obtain the best result. Hence it is plain that not fortuitously, but designedly, do they achieve their end. Now whatever lacks intelligence cannot move towards an end, unless it be directed by some being endowed with knowledge and intelligence; as the arrow is shot to its mark by the archer. Therefore some intelligent being exists by whom all natural things are directed to their end; and this being we call God.

Reply to Objection 1. As Augustine says (Enchiridion xi): "Since God is the highest good, He would not allow any evil to exist in His works, unless His omnipotence and goodness were such as to bring good even out of evil." This is part of the infinite goodness of God, that He should allow evil to exist, and out of it produce good.

Reply to Objection 2. Since nature works for a determinate end under the direction of a higher agent, whatever is done by nature must needs be traced back to God, as to its first cause. So also whatever is done voluntarily must also be traced back to some higher cause other than human reason or will, since these can change or fail; for all things that are changeable and capable of defect must be traced back to an immovable and self-necessary first principle, as was shown in the body of the Article.

For Review and Discussion

1. Describe each of Aquinas’ “Five Ways” in your own words.

2. The first, second, and third way each present a version of the Cosmological Argument. How do these arguments attempt to prove the existence of God?

3. Which argument by Aquinas do you believe is the strongest? Why?

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In This Article Expand or collapse the "in this article" section Arguments for the Existence of God

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Anthologies
Assessing Arguments
Anselm’s Proslogion
Modal Ontological Arguments
Gödel’s Ontological Argument
Aquinas’s Five Ways
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Arguments from Contingency
Kalām Cosmological Arguments
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Cosmological Fine-Tuning Arguments for Design
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Arguments from Reason
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Arguments for the Existence of God by Graham Oppy LAST REVIEWED: 26 February 2020 LAST MODIFIED: 26 February 2020 DOI: 10.1093/obo/9780195396577-0040

Philosophical discussion of arguments for the existence of God appeared to have become extinct during the heyday of logical positivism and ordinary language philosophy. However, since the mid-1960s, there has been a resurgence of interest in these arguments. Much of the discussion has focused on Kant’s “big three” arguments: ontological arguments, cosmological arguments, and teleological arguments. Discussion of ontological arguments has been primarily concerned with (a) Anselm’s ontological argument; (b) modal ontological arguments, particularly as developed by Alvin Plantinga; and (c) higher-order ontological arguments, particularly Gödel’s ontological argument. Each of these kinds of arguments has found supporters, although few regard these as the strongest arguments that can be given for the existence of God. Discussion of cosmological arguments has been focused on (a) kalām cosmological arguments (defended, in particular, by William Lane Craig); (b) cosmological arguments from sufficient reason (defended, in particular, by Richard Gale and Alexander Pruss); and (c) cosmological arguments from contingency (defended, in particular, by Robert Koons and Timothy O’Connor). Discussion of teleological arguments has, in recent times, been partly driven by the emergence of the intelligent design movement in the United States. On the one hand, there has been a huge revival of enthusiasm for Paley’s biological argument for design. On the other hand, there has also been the development of fine-tuning teleological arguments driven primarily by results from very recent cosmological investigation of our universe. Moreover, new kinds of teleological arguments have also emerged—for example, Alvin Plantinga’s arguments for the incompatibility of metaphysical naturalism with evolutionary theory and Michael Rea’s arguments for the incompatibility of the rejection of intelligent design with materialism, realism about material objects, and realism about other minds. Other (“minor”) arguments for the existence of God that have received serious discussion in recent times include moral arguments, arguments from religious experience, arguments from miracles, arguments from consciousness, arguments from reason, and aesthetic arguments. Of course, there is also a host of “lesser” arguments that are mainly viewed as fodder for undergraduate dissection. Further topics that are germane to any discussion of arguments for the existence of God include (a) the appropriate goals at which these arguments should aim and the standards that they should meet, (b) the prospects for “cumulative” arguments (e.g., of the kind developed by Richard Swinburne), and (c) the prospects for prudential arguments that appeal to our desires rather than to our beliefs (e.g., Pascal’s wager).

There are few works that seek to provide a comprehensive overview of arguments for the existence of God; there are rather more works that seek to give a thorough treatment of arguments for and against the existence of God. Mackie 1982 is the gold standard; its treatment of arguments for the existence of God remained unmatched until the publication of Sobel 2004 . Other worthy treatments of a range of arguments for the existence of God—as parts of treatments of ranges of arguments for and against the existence of God—include Gale 1991 , Martin 1990 , and Oppy 2006 . The works mentioned so far are all products of nonbelief; they all provide critical analyses and negative assessments of the arguments for the existence of God that they consider. Plantinga 1990 is an interesting product of belief that also provides critical analyses and negative assessments of the arguments for the existence of God that it considers, although in the service of a wider argument in favor of the rationality of religious belief; first published in 1967, this work was clearly the gold standard for analysis of arguments for the existence of God prior to Mackie 1982 . Of the general works that provide a more positive assessment of arguments for the existence of God, consideration should certainly be given to Plantinga 2007 and, for those interested in a gentle but enthusiastic introduction, Davies 2004 .

Davies, Brian. An Introduction to the Philosophy of Religion . Oxford: Oxford University Press, 2004.

Wide-ranging introduction to philosophy of religion that includes a discussion of ontological arguments, cosmological arguments, teleological arguments, arguments from religious experience, arguments from miracles, and moral arguments. Good coverage of a range of arguments for the existence of God.

Gale, Richard. On the Nature and Existence of God . Cambridge, UK: Cambridge University Press, 1991.

Entertaining and energetic discussion of ontological arguments, cosmological arguments, arguments from religious experience, and pragmatic arguments (e.g., Pascal’s wager).

Mackie, John. The Miracle of Theism: Arguments for and against the Existence of God . New York: Oxford University Press, 1982.

Superb presentation of cumulative case argument for atheism. Considers ontological arguments, cosmological arguments, teleological arguments, moral arguments, arguments from consciousness, arguments from religious experience, arguments from miracles, and Pascal’s wager. Benchmark text for critical discussion of arguments for the existence of God.

Martin, Michael. Atheism: A Philosophical Justification . Philadelphia: Temple University Press, 1990.

Comprehensive cumulative case for atheism. Considers ontological arguments, cosmological arguments, teleological arguments, arguments from miracles, arguments from religious experience, Pascal’s wager, and minor evidential arguments. Worthy contribution to the literature on arguments for the existence of God.

Oppy, Graham. Arguing about Gods . Cambridge, UK: Cambridge University Press, 2006.

DOI: 10.1017/CBO9780511498978

Detailed discussion of cosmological arguments, teleological arguments, Pascal’s wager, and a range of other arguments. Discussion of ontological arguments that supplements Oppy 1995 (cited under Ontological Arguments ). Also includes some discussion of methodology: the mechanics of assessment of arguments for the existence of God.

Plantinga, Alvin. God and Other Minds: A Study of the Rational Justification of Belief in God . Ithaca, NY: Cornell University Press, 1990.

Groundbreaking discussion of cosmological arguments, ontological arguments, and teleological arguments. Instrumental in setting new standards of rigor and precision for the analysis of arguments for the existence of God. First published in 1967.

Plantinga, Alvin. “Appendix: Two Dozen (or so) Theistic Arguments.” In Alvin Plantinga . Edited by Deane-Peter Baker, 203–228. Cambridge, UK: Cambridge University Press, 2007.

DOI: 10.1017/CBO9780511611247

A collection of sketches or pointers to what Plantinga claims would be good arguments for the existence of God. Divided into (a) metaphysical arguments (aboutness, collections, numbers, counterfactuals, physical constants, complexity, contingency), (b) epistemological arguments (positive epistemic status, proper function, simplicity, induction, rejection of global skepticism, reference, intuition), (c) moral arguments, and (d) other arguments (colors and flavors, love, Mozart, play and enjoyment, providence, miracles).

Sobel, Jordan. Logic and Theism: Arguments for and against Beliefs in God . Cambridge, UK: Cambridge University Press, 2004.

Brilliant discussion of major arguments about the existence of God. Contains very detailed analyses of ontological arguments, cosmological arguments, teleological arguments, and arguments from miracles. Brought new rigor and technical precision to the discussion of these arguments for the existence of God.

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7 The Cosmological Argument

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Published: March 2004
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The cosmological argument is the argument to God from the existence of a complex physical universe. God can create such a universe (by keeping it in existence as long as it exists — whether for a finite or infinite time) and has good reason to do so because it is necessary for the existence of humanly free persons. But it is a far less simple beginning of things than is God, and so a priori not to be expected but for the action of God.

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To arrive at the edge of the world's knowledge, seek out the most complex and sophisticated minds, put them in a room together, and have them ask each other the questions they are asking themselves.

36 ARGUMENTS FOR THE EXISTENCE OF GOD

the cosmological argument proves the existence of god essay

...For close to two decades Cass Seltzer has all but owned the psychology of religion, but only because nobody else wanted it, not anyone with the smarts to do academic research in psychology and the ambition to follow through. It had been impossible to get grants, and the prestigious journals would return his manuscripts without sending them out for peer review. The undergraduates crowded his courses, but that counted, if anything, as a strike against him in his department. The graduate students stayed away in droves. The sexy psychological research was all in neural network modeling and cognitive neuroscience. The mind is a neural computer and the folks with the algorithms ruled.

But now things had happened — fundamental and fundamentalist things — and religion as a phenomenon is on everybody's mind. And among all the changes that religion's new towering profile has wrought in the world, which are mostly alarming if not downright terrifying, is the transformation in the life of one Cass Seltzer.

First had come the book, which he had entitled The Varieties of Religious Illusion, a nod to both William James's The Varieties of Religious Experience and to Sigmund Freud's The Future of An Illusion. The book had brought Cass an indecent amount of attention. Time Magazine, in a cover story on the so-called new atheists, had ended by dubbing him "the atheist with a soul." When the magazine came out, Cass's literary agent, Sy Auerbach, called to congratulate him. "Now that you're famous, even I might have to take you seriously. ...

Introduction

By John Brockman

"What is this stuff, you ask one another," says the narrator in Rebecca Newberger Goldstein's new novel 36 Arguments for the Existence of God: A Work of Fiction, "and how can it still be kicking around, given how much we already know?"

We have very short memories.

It was in April 2006 that President George W. Bush, Senate Majority Leader Bill Frist, and Senator John McCain all announced their support of teaching Intelligent Design in public schools. This assault on science and on the separation of church and state was a mobilizing moment for the Edge community which responded to this initiative with book of essays by 16 eminent scientists entitled Intelligent Thought, excerpts from which appeared on Edge.

At the time, three and a half years ago, no one was using the phrase "the new atheists". In fact, in early 2006 only Sam Harris's book The End of Faith (2004), and Daniel C. Dennett's Breaking the Spell(February, 2006) had been published. It was in response to the highly organized and well-financed campaign by the religious right that led champions of rational thinking such as Jerry Coyne , Richard Dawkins , Daniel C. Dennett, Sam Harris, Christopher Hitchens, A.C. Grayling , and P.Z. Myers to mount an unrelenting campaign against the purveyors of superstition, supernaturalism, ignorance ... and their apologists (the self-proclaimed "moderates", or to use more apt terms, the "accommodationists", or the "faitheists").

The term "the new atheists" came into play in early 2007, followed by "I am an atheist, but". This is hardly the lingo of the far right. In fact, you don't have to leave the pages of Edge to read variations on this meme from some very distinguished and respected scientists. But what some appear to be saying is "I am an atheist but... other people, not as smart as I am, require religion (a) to get through the day, (b) to create sustainable societies, (c) to have moral values, etc. Others, intellectually lazy, afraid, or unable to invent their own personal narratives, simply wear their parents' old ideas like a hand-me-down suit, defaulting to the maudlin sentimentality that is the soundtrack to the American mind.

Now, Rebecca Newberger Goldstein, known to Edge readers as a philosopher who has interesting things to say about Gödel and Spinoza, among others, enters into this conversation, taking on these and wider themes, and pushing the envelope by crossing over into the realm of fiction.

Goldstein isn't the first novelist to appear on Edge, nor the first to discuss religion. In October 1989, the novelist Ken Kesey came to New York spoke to The Reality Club. "As I've often told Ginsberg," he began, "you can't blame the President for the state of the country, it's always the poets' fault. You can't expect politicians to come up with a vision, they don't have it in them. Poets have to come up with the vision and they have to turn it on so it sparks and catches hold."

It's in this spirit that Edge presents a brief excerpt from the first chapter, and the nonfiction appendix from 36 Arguments for the Existence of God: A Work of Fiction by Rebecca Newberger Goldstein (21,250 words).

REBECCA NEWBERGER GOLDSTEIN is a philosopher, a novelist, and Edge contributor. She is the author of the nonfiction works Betraying Spinoza: The Renegade Jew Who Gave Us Modernity, and Incompleteness: The Proof and Paradox of Kurt Gödel. Her other novels include The Mind-Body Problem and Properties of Light: A Novel of Love, Betrayal, and Quantum Physics, and 36 Arguments for the Existence of God: A Work of Fiction.

Rebecca Newberger Goldstein's Edge Bio page

Chapter I: The Argument from the Improbable Self

Something shifted, something so immense you could call it the world.

Call it the world.

The world shifted, catching lots of smart people off guard, churning up issues that you had thought had settled forever beneath the earth's crust. The more sophisticated you are, the more annotated your mental life, the more taken aback you're likely to feel, seeing what the world's lurch has brought to light, thrusting up beliefs and desires you had assumed belonged to an earlier stage of human development.

What is this stuff, you ask one another, and how can it still be kicking around, given how much we already know? It looks like the kind of relics that archeologists dig up and dust off, speculating about the beliefs that once had animated them, to the best that they can be reconstructed, gone as they are now, those thrashings of proto-rationality and mythico-magical hypothesizing, and mostly forgotten.

Now it's all gone unforgotten, and minds that have better things to think about have to divert precious neuronal resources to figuring out how to knock some sense back into the species. It's a tiresome proposition, having to take up the work of the Enlightenment all over again, but it's happened on your watch. You ought to have sent up a balloon now and then to get a read on the prevailing cognitive conditions, the Thinks watching out for the Think-Nots. Now you've gone and let the stockpiling of fallacies reach dangerous levels, and the massed weapons of illogic are threatening the survivability of the globe.

None of this is particularly good for the world, but it has been good for Cass Seltzer. That's what he's thinking at this moment, gazing down at the frozen river and regarding the improbable swerve his life has lately taken. He's thinking his life has gotten better because the world has gone bonkers. He's thinking zealots proliferate and Seltzer prospers.

It's 4 a.m., and Cass Seltzer is standing on Weeks Bridge, the graceful arc that spans the Charles River near Harvard University, staring down at the river below, which is in the rigor mortis of late February in New England. The whole vista is deserted beyond vacancy, deserted in the way of being inhospitable to human life. There's not a car passing on Memorial Drive, and the elegant river dorms are darkened to silent hulks, the most hyper-kinetic of undergraduates sedated to purring girls and boys.

It's not like Cass Seltzer to be out in the middle of an icy night, lost in thought while losing sensation in his extremities. Excitement had gotten the better of him. He had lain in his empty bed for hours, mind racing, until he gave up and crawled out from under the luxe comforter that his girlfriend Lucinda Mandelbaum had brought with her when she moved in with him at the end of June. This comforter has pockets for the hands and feet and a softness that's the result of impregnation with aloe vera. As a man, Cass had been skeptical, but he's become a begrudging believer in Lucinda's comforter, and in her Tempur-Pedic pillow, too, suffused with the fragrance of her coconut shampoo, making it all the more remarkable that he'd forsake his bed for this no-man's stretch of frigid night.

Rummaging in the front closet for some extra protection, he had pulled out, with a smile he couldn't have interpreted for himself, a long-forgotten item, the tricolor scarf that his ex-wife, Pascale, had learned to knit for him during the four months when she was recovering from aphasia, four months that had produced, among other shockers, an excessively long French flag of a scarf, which he wound seven and a half times around his neck before heading out into the dark to deal with the rush in his head.

Lucinda's away tonight, away for the entire bleak week to come. Cass is missing Lucinda in his bones, missing her in the marrow that's presently crystallizing into ice. She's in warmer climes, at a conference in Santa Barbara on "Non-Nash Equilibria in Zero-Sum Games." Among these equilibria is one that's called the "Mandelbaum Equilibrium," and it's Cass's ambition to have the Mandelbaum Equilibrium mastered by the time he picks her up from the airport Friday night.

Technically, Lucinda's a psychologist, like Cass, only not like Cass at all. Her work is so mathematical that almost no one would suspect it has anything to do with mental life. Cass, on the other hand, is about as far away on the continuum as you can get and still be in the same field. He's so far away that he is knee-deep in the swampy humanities. Until recently, Cass had felt almost apologetic explaining that his interest is in the whole wide range of religious experience — a bloated category on anyone's account, but especially on Cass's, who sees religious frames of mind lurking everywhere, masking themselves in the most secular of settings, in politics and scholarship and art and even in personal relationships.

For close to two decades Cass Seltzer has all but owned the psychology of religion, but only because nobody else wanted it, not anyone with the smarts to do academic research in psychology and the ambition to follow through. It had been impossible to get grants, and the prestigious journals would return his manuscripts without sending them out for peer review. The undergraduates crowded his courses, but that counted, if anything, as a strike against him in his department. The graduate students stayed away in droves. The sexy psychological research was all in neural network modeling and cognitive neuroscience. The mind is a neural computer and the folks with the algorithms ruled.

Next had come the girl, although that designation hardly does justice to the situation, not when the situation stands for the likes of Lucinda Mandelbaum, known in her world as "the Goddess of Game Theory." Lucinda is, pure and simple, a wondrous creature, with adoration her due and Cass's avocation.

And now, only today, as if his cup weren't already gushing over, had come a letter from Harvard, laying out its intention of luring him away from Frankfurter University, located in nearby Weedham, about twelve miles upriver from where Cass is standing right now. After all that has happened to Cass over the course of this past year, he's surprised at the degree of awed elation he feels at the letter bearing the insignia of Veritas. But he's an academic, his sense of success and failure ultimately determined by the academy's utilities (to use the language of Lucinda's science), and Harvard counts as the maximum utility. Cass has the letter on him right now, zippered into an inside pocket of his parka, insulating him against the elements.

The night is so cold that everything seems to have been stripped bare of superfluous existence, reduced to the purity of abstraction. Cass has the distinct impression that he can see better in the sharpened air, that it's counteracting the near-sightedness that has had him wearing glasses since he was twelve. He takes them off and, of course, can't see a thing, can barely see past the nimbus phantom of his own breath.

But then he stares harder and it seems that he can see better, that the world has slid into sharper focus. It's only now, with his glasses off, that he catches sight of the spectacle that the extreme cold has created in the river below, frozen solid except where it quickens through the three graceful arches of the bridge's substructure, creating an effect that could reasonably be called sublime, and in the Kantian sense: not cozily beautiful, but touched by a metaphysical chill. The quickened water has sculpted three immense and perfect arches into the thick ice, soaring fifty or sixty feet to their apices, sublime almost as if by design. The surface of the water in the carved-out breaches is polished to obsidian, lustered to transparency against the white-blue gleam of the frozen encasement, and perspective askew, the whole of it looks like a cathedral rising endlessly, the arches becoming windows that open into vistas of black.

Standing dead center on Weeks Bridge, in the dead of winter in the dead of night, staring down at the three enormous arches sublimely carved into the Charles, suggesting a cathedral shaped into the ice, Cass is contemplating the strange thing that his life has become.

To him. His life has become strange to him. He feels like he's wearing somebody else's coat, grabbed in a hurry from the bed in the spare bedroom after a boozy party. He's walking around in someone else's bespoke cashmere while that guy's got Cass's hooded parka, and only Cass seems to have noticed the switch.

What has happened is that Cass Seltzer has become an intellectual celebrity. He's become famous for his abstract ideas. And not just any old abstract ideas, but atheist abstract ideas, which makes him, according to some of the latest polls, a spokesperson for the most distrusted minority in America, the one that most Americans are least willing to allow their children to marry.

This is a fact. Studies have found that a large proportion of Americans rate atheists below Muslims, recent immigrants, gays, and Communists, as "sharing their vision of American society." Atheists, the researchers reported, seem to be playing the pariah role once assigned to Catholics, Jews, and Communists, seen as harboring alien and subversive values, or, more likely, as having no inner values at all, and therefore likely to be criminals, rapists and wild-eyed drug addicts.

"As if," as Cass often finds himself saying into microphones, "the only reason to live morally is out of fear of getting caught and being spanked by the heavenly father."

Cass Seltzer has become the unlikely poster boy for this misunderstood group. His is a good face for counteracting the fallacy of equating godlessness with vice. Handsome, but not in a way to make the squeamish consider indeterminate sexual orientation, Cass's fundamental niceness is written all over him. He's got a strong jaw, a high ovoid forehead from which his floppy auburn hair is only just slightly receding, and the sweetest, most earnest smile this side of Oral Roberts University. Is this a man who could possibly go out and commit murder and mayhem, rape our virgin daughters and shoot controlled substances into his veins?

Cass is still trying to assimilate the fact that his book has become an international sensation, translated into twenty-seven languages, including Latvian. He understands that it's not just a matter of what he's written — as much as he'd like to believe it is — but also a matter of the rare intersection of the preoccupations of his lifetime with the turmoil of the age. When Cass, in all the safety of his obscurity, set about writing a book that would explain how irrelevant the belief in God can be to religious experience — so irrelevant that the emotional structure of religious experiences can be transplanted to completely godless contexts with little of the impact lost; and when he had also, almost as an afterthought, included as an Appendix thirty-six arguments for the existence of God, with rebuttals, his claim being that the most thorough demolition of these arguments would make little difference to the felt qualities of religious experience, he'd had no idea of the massive response his efforts would provoke.

For the most part, fame is agreeable to Cass. For one thing, people treat him more nicely. It's a revelation to learn what a nice bunch of upright mammals we're capable of being. Everybody happily, gratefully, applies the Golden Rule when it comes to interacting with the famous. Thou must treat the famous as thou wouldst wish to be treated thyself. Easy! If only everybody could be famous, we would all be effortlessly altruistic.

The atheist with a soul. Cass always smiles at the absurdity of the phrase. But which is the more absurd element, he wonders. The truth is — and what's the good of a man contemplating an inhumanly frozen world at 4 a.m. if no truth-telling ensues? — that Cass is somewhat at a loss to account for what he has done. How to explain those 36 Arguments for the Existence of God (see Appendix), all of them formally constructed in the preferred analytic style, premises parading with military precision and every shirking presupposition and sketchy implication forced out into the open and subjected to rigorous inspection?

Cass had started out with all the standard arguments for God's existence, the ones discussed in philosophy classes and textbooks: The Cosmological Argument (#1), The Ontological Argument (#2), The Classical Argument from Design (#3A), the arguments from Miracles, Morality, and Mysticism (#'s 11, 16, and 22, respectively), Pascal's Wager (#31) , and William James's Argument from Pragmatism (#32). He had also analyzed the new batch of arguments recently whipped up by the Intelligent Design crowd, to wit, The Argument from Irreducible Complexity (#3B), The Argument from the Paucity of Benign Mutations (# 3C), The Argument from The Original Replicator (#3D), The Argument from The Big Bang (#4), The Argument from the Fine-Tuning of the Physical Constants (#5), and The Argument from the Hard Problem of Consciousness (#12). But then he had gone beyond these, too, attempting to polish up into genuine arguments those religious intuitions and emotions that are often powerfully evocative but too sub-syllogistic to be regarded as actual arguments. He had tried to capture under the net of analytic reason those fleeting shadows cast by unseen winged things darting through the thick foliage of the religious sensibility.

So Cass had formulated The Argument from Cosmic Coincidences (#7), appealing to such facts as these: that the diameter of the moon, as seen from the earth, is the same as the diameter of the sun, as seen from the earth, which is why we can have those spectacular eclipses when the corona of the sun is revealed in all its glory. He had formulated The Argument from Sublimity (#34), trying to capture the line of reasoning lurking behind, for example, the recent testament of one evangelical scientist who had felt his doubts falling away from him when he was hiking in the mountains and came upon a frozen waterfall — in fact a trinity of a frozen waterfall, with three parts to it. "At that moment, I felt my resistance leave me. And it was a great sense of relief. The next morning, in the dewy grass in the shadow of the Cascades, I fell on my knees and accepted this truth — that God is God, that Christ is his son and that I am giving my life to that belief."

For the right observer, Cass supposed, the triptych cathedral etched out in the ice below might yield a similar epiphany.

Cass had named the twenty-eighth in his list "The Argument from Prodigious Genius", though privately he thinks of it as "The Argument from Azarya." The astonishment of beholding genius, especially when it shows up in child prodigies, is so profound that it can feel almost like violence, as if a behavioral firestorm has devastated the laws of psychology, leaving us with no principles for explaining what we're seeing and hearing. "It's as if these children come into the world knowing" are words that Cass had heard twenty years ago, inspired by a child who could see the numbers and thought that they were angels.

And then there's The Argument from the Improbable Self (#13), another one that engages Cass in a personal way. He had struggled to squeeze precision into the sense of paradox he knows too well, the flailing attempt to calm the inside-outside vertigo to which he's given, trying to construct something semi-coherent beneath that vertiginous step outside himself that would result from his staring too long at the improbable fact of his being identical with . . . himself.

If somebody hasn't experienced this particular kind of metaphysical seizure for himself, then it's hard to find the words to give a sense of what it's like. Cass had experienced it as a boy, lying in bed and thinking his way into the sense of the strangeness of being just this.

Cass had had the lower bunk bed. Both he and Jesse, his younger brother, had wanted the higher bunk, but, as usual, Jesse had wanted what he wanted so much more than Cass had wanted it, with a fury of need that was exhausting just to watch, that Cass had let it go. Lying there awake on his lower bunk, Cass would think about being himself rather than being Jesse.

There was Jesse, and here was Cass. But if someone were looking at the two of them, Jesse there, Cass here, how could that observer tell that he, Cass, was Cass here and not Jesse there? If it got switched on them, everything the same about them, the body and memories and sense of self and everything else, only now he was Jesse here and there was Cass there, how would anybody know? How would he know, how would Jesse? Maybe a switch had already happened, maybe it happened again and again, and how could anybody tell?

The longer he tried to get a fix on the fact of being Cass here, the more the whole idea of it just got away from him. If he tried long enough to grasp it, then he could get the fact of being Cass here to blank out of existence and then come dribbling weakly back in, like a fluorescent fixture flickering on and off toward death. He would get the sense of having been shot outside of himself, and now was someone who was regarding his being Cass Seltzer as something like his being in the sixth grade, just something about him that happened to be true. Who was that Other that he was who was regarding his being Cass Seltzer as if he didn't have to be Cass Seltzer? The sense of giddiness induced by these exercises could be a bit too overwhelming for a kid in a lower bunk bed.

It could be a bit overwhelming still.

"Here I am," Cass is saying, standing on Weeks Bridge and talking aloud into the sublimely indifferent night.

Cass knows he needs to tamp down his tendencies toward the transcendental. It isn't becoming in America's favorite atheist, who is, at this moment, Cass Seltzer, who is, somehow or other, just this here.

"Here I am."

How can it be that, of all things, one is this thing, so that one can say, astonishingly — in the right frame of mind, it is astonishing, with the metaphysical chill blowing in from afar — "here I am."

When you didn't force yourself to think in formal reconstructions, when you didn't catch these moments of ravishments under the lens of premises and conclusions, when you didn't impale them and label them , like so many splayed butterflies, bleeding the transcendental glow right out of them, then . . . what?

It's even hard at a time like this to resist the shameful narcissistic appeal of reasonings like The Argument from Personal Coincidences (#8) and The Argument from Answered Prayers (#9) and The Argument from A Wonderful Life (#10). William James had rebuked the "scoundrel logic" that calculates divine provenance from one's own goody-bag of gains, and Cass couldn't agree more with the spirit of James, but here it is, his bulging goody bag, and call him a scoundrel for feeling personally grateful to the universe when, at this same moment that he is standing on Weeks Bridge and tossing hosannas out into the infinite universe, there are multitudes of others whose lives are painfully constricting with misfortunes that are just as arbitrary and undeserved as his own expansive good luck, but Cass Seltzer does feel grateful.

At moments like this could Cass altogether withstand the sense that — how hard to put it into words — the sense that the universe is personal, that there is something personal that grounds existence and order and value and purpose and meaning — and that the grandeur of that personal universe has somehow infiltrated and is expanding his own small person, bringing his littleness more in line with its grandeur, that the personal universe has been personally kind to him, gracious and forgiving, to Cass Seltzer, gratuitously, exorbitantly, divinely kind, and this despite Cass's having, with callowness and shallowness aforethought, thrown spitballs at the whole idea of cosmic intentionality?

No, no, that doesn't capture it either. Those words are far too narrowed by Cass's own particular life, when what it is he could feel, has felt, might even be feeling now, has nothing to do with the contents of Cass's existence, but rather with existence itself, Itself, this, This, THIS . . . what?

This expansion out into the world which is a kind of love, he supposes, a love for the whole of existence, that could so easily well up in Cass Seltzer at this moment, standing here in the pure abstractions of this night and contemplating the strange thisness of his life when viewed sub specie aeternitatus, that is to say from the vantage point of eternity which comes so highly recommended to us by Spinoza.

Here it is then: the sense that existence is just such a tremendous thing, one comes into it, astonishingly, here one is, formed by biology and history, genes and culture, in the midst of the contingency of the world, here one is, one doesn't know how, one doesn't know why, and suddenly one doesn't know where one is either or who or what one is either, and all that one knows is that one is a part of it, a considered and conscious part of it, generated and sustained in existence in ways one can hardly comprehend, all the time conscious of it, though, of existence, the fullness of it, the reaching expanse and pulsing intricacy of it, and one wants to live in a way that at least begins to do justice to it, one wants to expand one's reach of it as far as expansion is possible and even beyond that, to live one's life in a way commensurate with the privilege of being a part of and conscious of the whole reeling glorious infinite sweep, a sweep that includes, so improbably, a psychologist of religion named Cass Seltzer, who, moved by powers beyond himself, did something more improbable than all the improbabilities constituting his improbable existence could have entailed, did something that won him someone else's life, a better life, a more brilliant life, a life beyond all the ones he had wished for in the pounding obscurity of all his yearnings, because all of this, this, this, THIS couldn't belong to him, to the man who stands on Weeks Bridge, wrapped round in a scarf his once-beloved ex-wife Pascale had knit for him for some necessary reason that he would never know, perhaps to offer him some protection against the desolation she knew would soon be his, and was, but is no longer, suspended here above sublimity, his cheeks aflame with either euphoria or frostbite, a letter in his zippered pocket with the imprimatur of Veritas and a Lucinda Mandelbaum with whom to share it all.

Appendix: 36 ARGUMENTS FOR THE EXISTENCE OF GOD

1. The Cosmological Argument

1. Everything that exists must have a cause. 2. The universe must have a cause (from 1). 3. Nothing can be the cause of itself. 4. The universe cannot be the cause of itself (from 3). 5. Something outside the universe must have caused the universe (from 2 & 4). 6. God is the only thing that is outside of the universe. 7. God caused the universe (from 5 & 6). 8. God exists.

FLAW 1: can be crudely put: Who caused God? The Cosmological Argument is a prime example of the Fallacy of Passing the Buck: invoking God to solve some problem, but then leaving unanswered that very same problem when applied to God himself. The proponent of the Cosmological Argument must admit a contradiction to either his first premise — and say that though God exists, he doesn't have a cause — or else a contradiction to his third premise — and say that God is self-caused. Either way, the theist is saying that his premises have at least one exception, but is not explaining whyGod must be the unique exception, otherwise than asserting his unique mystery (the Fallacy of Using One Mystery To Pseudo-Explain Another). Once you admit of exceptions, you can ask why the universe itself, which is also unique, can't be the exception. The universe itself can either exist without a cause, or else can be self-caused . Since the buck has to stop somewhere, why not with the universe?

FLAW 2: The notion of "cause" is by no means clear, but our best definition is a relation that holds between events that are connected by physical laws. Knocking the vase off the table caused it to crash to the floor; smoking three packs a day caused his lung cancer. To apply this concept to the universe itself is to misuse the concept of cause, extending it into a realm in which we have no idea how to use it. This line of skeptical reasoning, based on the incoherent demands we make of the concept of cause, was developed by David Hume.

COMMENT: The Cosmological Argument, like the Argument from the Big Bang, and The Argument from the Intelligibility of the Universe, are expressions of our cosmic befuddlement at the question: why is there something rather than nothing? The late philosopher Sydney Morgenbesser had a classic response to this question: "And if there were nothing? You'd still be complaining!"

2. The Ontological Argument

1. Nothing greater than God can be conceived (this is stipulated as part of the definition of "God"). 2. It is greater to exist than not to exist. 3 . If we conceive of God as not existing, then we can conceive of something greater than God (from 2). 4. To conceive of God as not existing is not to conceive of God (from 1 and 3). 5. It is inconceivable that God not exist (from 4). 6. God exists.

This argument, first articulated by Saint Anselm (1033-1109), the Archbishop of Canterbury, is unlike any other, proceeding purely on the conceptual level. Everyone agrees that the mere existence of a concept does not entail that there are examples of that concept; after all, we can know what a unicorn is and at the same time say "unicorns don't exist." The claim of the Ontological Argument is that the concept of God is the one exception to this rule. The very concept of God, when defined correctly, entails that there is something that satisfies that concept. Although most people suspect that there is something wrong with this argument, it's not so easy to figure out what it is.

FLAW: It was Immanuel Kant who pinpointed the fallacy in the Ontological Argument: it is to treat "existence" as a property, like "being fat" or "having ten fingers." The Ontological Argument relies on a bit of wordplay, assuming that "existence" is just another property, but logically it is completely different. If you really could treat "existence" as just part of the definition of the concept of God, then you could just as easily build it into the definition of any other concept. We could, with the wave of our verbal magic wand, define a trunicorn as "a horse that (a) has a single horn on its head, and (b) exists." So if you think about a trunicorn, you're thinking about something that must, by definition, exist; therefore trunicorns exist. This is clearly absurd: we could use this line of reasoning to prove that any figment of our imagination exists.

COMMENT: Once again, Sydney Morgenbesser had a pertinent remark, this one offered as an Ontological Argument for God's Non-Existence: Existence is such a lousy thing, how could God go and do it?

3. The Argument from Design

A. The Classical Teleological Argument 1. Whenever there are things that cohere only because of a purpose or function (for example, all the complicated parts of a watch that allow it to keep time), we know that they had a designer who designed them with the function in mind; they are too improbable to have arisen by random physical processes. (A hurricane blowing through a hardware store could not assemble a watch.) 2. Organs of living things, such as the eye and the heart, cohere only because they have a function (for example, the eye has a cornea, lens, retina, iris, eyelids, and so on, which are found in the same organ only because together they make it possible for the animal to see.) 3. These organs must have a designer who designed them with their function in mind: just as a watch implies a watchmaker, an eye implies an eyemaker (from 1 & 2). 4. These things have not had a human designer. 5. Therefore, these things must have had a non-human designer (from 3 & 4). 6. God is the non-human designer (from 5). 7. God exists.

FLAW: Darwin showed how the process of replication could give rise to the illusion of design without the foresight of an actual designer. Replicators make copies of themselves, which make copies of themselves, and so on, giving rise to an exponential number of descendants. In any finite environment the replicators must compete for the energy and materials necessary for replication. Since no copying process is perfect, errors will eventually crop up, and any error that causes a replicator to reproduce more efficiently than its competitors will result in that line of replicators predominating in the population. After many generations, the dominant replicators will appear to have been designed for effective replication, whereas all they have done is accumulate the copying errors which in the past did lead to effective replication. The fallacy in the argument, then is Premise 1 (and as a consequence, Premise 3, which depends on it): parts of a complex object serving a complex function do not, in fact, require a designer.

In the twenty-first century, creationists have tried to revive the Teleological Argument in three forms:

B. The Argument from Irreducible Complexity 1. Evolution has no foresight, and every incremental step must be an improvement over the preceding one, allowing the organism to survive and reproduce better than its competitors. 2. In many complex organs, the removal or modification of any part would destroy the functional whole. Examples are, the lens and retina of the eye, the molecular components of blood clotting, and the molecular motor powering the cell's flagellum. Call these organs "irreducibly complex." 3. These organs could not have been useful to the organisms that possessed them in any simpler forms (from 2). 4. The Theory of Natural Selection cannot explain these irreducibly complex systems (from 1 & 3). 5. Natural selection is the only way out of the conclusions of the Classical Teleological Argument. 6. God exists (from 4 & 5 and the Classical Teleological Argument).

This argument has been around since the time of Charles Darwin, and his replies to it still hold.

FLAW 1: For many organs, Premise 2 is false. An eye without a lens can still see, just not as well as an eye with a lens.

FLAW 2: For many other organs, removal of a part, or other alterations, may render it useless for its current function, but the organ could have been useful to the organism for some other function. Insect wings, before they were large enough to be effective for flight, were used as heat-exchange panels. This is also true for most of the molecular mechanisms, such as the flagellum motor, invoked in the modern version of the Argument from Irreducible Complexity.

FLAW 3: (The Fallacy of Arguing from Ignorance): There may be biological systems for which we don't yet know how they may have been useful in simpler versions. But there are obviously many things we don't yet understand in molecular biology, and given the huge success that biologists have achieved in explaining so many examples of incremental evolution in other biological systems, it is more reasonable to infer that these gaps will eventually be filled by the day-to-day progress of biology than to invoke a supernatural designer just to explain these temporary puzzles.

COMMENT: This last flaw can be seen as one particular instance of the more general and fallacious

Argument from Ignorance:

1.There are things that we cannot explain yet. 2. Those things must be caused by God.

FLAW: Premise 1 is obviously true. If there weren't things that we could not explain yet, then science would be complete, laboratories and observatories would unplug their computers and convert to condominiums, and all departments of science would be converted to departments in the History of Science. Science is only in business because there are things we have not explained yet. So we cannot infer from the existence of genuine, ongoing science that there must be a God.

C. The Argument from the Paucity of Benign Mutations 1. Evolution is powered by random mutations and natural selection. 2. Organisms are complex, improbable systems, and by the laws of probability any change is astronomically more likely to be for the worse than for the better. 3. The majority of mutations would be deadly for the organism (from 2). 4. The amount of time it would take for all the benign mutations needed for the assembly of an organ to appear by chance is preposterously long (from 3). 5. In order for evolution to work, something outside of evolution had to bias the process of mutation, increasing the number of benign ones (from 4). 6. Something outside of the mechanism of biological change — the Prime Mutator — must bias the process of mutations for evolution to work (from 5). 7. The only entity that is both powerful enough and purposeful enough to be the Prime Mutator is God. 8 .God exists.

FLAW : Evolution does not require infinitesimally improbable mutations, such as a fully formed eye appearing out of the blue in a single generation, because (a) mutations can have small effects (tissue that is slightly more transparent, or cells that are slightly more sensitive to light), and mutations contributing to these effects can accumulate over time; (b) for any sexually reproducing organism, the necessary mutations do not have to have occurred one after the other in a single line of descendants, but could have appeared independently in thousands of separate organisms, each mutating at random, and the necessary combinations could come together as the organisms mate and exchange genes; (c) life on earth has had a vast amount of time to accumulate the necessary mutations (almost four billion years).

D. The New Argument from The Original Replicator 1. Evolution is the process by which an organism evolves from simpler ancestors. 2. Evolution by itself cannot explain how the original ancestor — the first living thing — came into existence (from 1). 3. The theory of natural selection can deal with this problem only by saying the first living thing evolved out of non-living matter (from 2). 4. That non-living matter (call it the Original Replicator) must be capable of (i) self-replication (ii) generating a functioning mechanism out of surrounding matter to protect itself against falling apart, and (iii) surviving slight mutations to itself that will then result in slightly different replicators. 5. The Original Replicator is complex (from 4). 6. The Original Replicator is too complex to have arisen from purely physical processes (from 5 & the Classical Teleological Argument). For example, DNA, which currently carries the replicated design of organisms, cannot be the Original Replicator, because DNA molecules requires a complex system of proteins to remain stable and to replicate, and could not have arisen from natural processes before complex life existed. 7. Natural selection cannot explain the complexity of the Original Replicator (from 3 & 6). 8. The Original Replicator must have been created rather than have evolved (from 7 and the Classical Teleological Argument). 9. Anything that was created requires a Creator. 10. God exists.

FLAW 1: Premise 6 states that a replicator, because of its complexity, cannot have arisen from natural processes, i.e. by way of natural selection. But the mathematician John von Neumann showed in the 1950s that it is theoretically possible for a simple physical system to make exact copies of itself from surrounding materials. Since then, biologists and chemists have identified a number of naturally occurring molecules and crystals that can replicate in ways that could lead to natural selection (in particular, that allow random variations to be preserved in the copies). Once a molecule replicates, the process of natural selection can kick in, and the replicator can accumulate matter and become more complex, eventually leading to precursors of the replication system used by living organisms today.

FLAW 2: Even without von Neumann's work (which not everyone accepts as conclusive), to conclude the existence of God from our not yet knowing how to explain the Original Replicator is to rely on The Argument from Ignorance.

4. The Argument from The Big Bang

1. The Big Bang, according to the best scientific opinion of our day, was the beginning of the physical universe, including not only matter and energy, but space and time and the laws of physics. 2. The universe came to be ex nihilo (from 1). 3. Something outside the universe, including outside its physical laws, must have brought the universe into existence (from 2). 4. Only God could exist outside the universe. 5. God must have been caused the universe to exist (from 3 & 4). 6. God exists.

The Big Bang is based on the observed expansion of the universe, with galaxies rushing away from each other. The implication is that if we run the film of the universe backward from the present, the universe must continuously contract, all the way back to a single point. The theory of the Big Bang is that the universe exploded into existence about 14 billion years ago.

FLAW 1: Cosmologists themselves do not all agree that the Big Bang is a "singularity" — the sudden appearance of space, time, and physical laws from inexplicable nothingness. The Big Bang may represent the lawful emergence of a new universe from a previously existing one. In that case, it would be superfluous to invoke God to explain the emergence of something from nothing.

FLAW 2: The Argument From the Big Bang has all the flaws of The Cosmological Argument — it passes the buck from the mystery of the origin of the universe to the mystery of the origin of God, and it extends the notion of "cause" outside the domain of events covered by natural laws (also known as the universe) where it no longer makes sense.

5. The Arguments from the Fine-Tuning of Physical Constants

1. There are a vast number of physically possible universes. 2. A universe that would be hospitable to the appearance of life must conform to some very strict conditions: Everything from the mass ratios of atomic particles and the number of dimensions of space to the cosmological parameters that rule the expansion of the universe must be just right for stable galaxies, solar systems, planets, and complex life to evolve. 3. The percentage of possible universes that would support life is infinitesimally small (from 2). 4. Our universe is one of those infinitesimally improbable universes. 5. Our universe has been fine-tuned to support life (from 3 & 4). 6. There is a Fine-Tuner (from 5). 7. Only God could have the power and the purpose to be the Fine-Tuner. 8. God exists.

Philosophers and physicists often speak of "The Anthropic Principle," which comes in several versions, labeled "weak," "strong" and "very strong." All three versions argue that any explanation of the universe must account for the fact that we humans ( or any complex organism that could observe its condition) exist in it. The Argument from Fine-Tuning corresponds to the Very Strong Anthropic Principle. Its upshot is that the upshot of the universe is . . . us. The universe must have been designed with us in mind.

FLAW 1: The first premise may be false. Many physicists and cosmologists, following Einstein, hope for a unified "theory of everything," which would deduce from as-yet-unknown physical laws that the physical constants of our universe had to be what they are. In that case, ours would be the only possible universe. (See also The Argument from the Intelligibility of the Universe,# 35, below).

FLAW 2: Even were we to accept the first premise, the transition from 4 to 5 is invalid. Perhaps we are living in a multiverse (a term coined by William James), a vast plurality (perhaps infinite) of parallel universes with different physical constants, all of them composing one reality. We find ourselves, unsurprisingly (since we are here doing the observing), in one of the rare universe that does support the appearance of stable matter and complex life, but nothing had to have been fine-tuned. Or perhaps we are living in an "oscillatory universe," a succession of universes with differing physical constants, each one collapsing into a point and then exploding with a new big bang into a new universe with different physical constants, one succeeding the other over an infinite time span. Again, we find ourselves, not surprisingly, in one of those time-slices in which the universe does have physical constants that support stable matter and complex life. These hypotheses, which are receiving much attention from contemporary cosmologists, are sufficient to invalidate the leap from 4 to 5.

6. The Argument from the Beauty of Physical Laws

1. Scientists use aesthetic principles (simplicity, symmetry, elegance) to discover the laws of nature. 2. Scientist s could only use aesthetic principles successfully if the laws of nature were intrinsically and objectively beautiful. 3. The laws of nature are intrinsically and objectively beautiful (from 1 & 2). 4. Only a mind-like being with an appreciation of beauty could have designed the laws of nature. 5 . God is the only being with the power and purpose to design beautiful laws of nature. 6. God exists.

FLAW 1: Do we decide an explanation is good because it's beautiful, or do we find an explanation beautiful because it provides a good explanation? When we say that the laws of nature are beautiful, what we are really saying is that the laws of nature are the laws of nature, and thus unify into elegant explanation a vast host of seemingly unrelated and random phenomena. We would find the laws of nature of any lawful universe beautiful. So what this argument boils down to is the observation that we live in a lawful universe. And of course any universe that could support the likes of us would have to be lawful. So this argument is another version of the The Anthropic Principle — we live in the kind of universe which is the only kind of universe in which observers like us could live — and thus is subject to the flaws of Argument #5.

FLAW 2: If the laws of the universe are intrinsically beautiful, then positing a God who loves beauty, and who is mysteriously capable of creating an elegant universe (and presumably a messy one as well, though his aesthetic tastes led him not to), makes the universe complex and incomprehensible all over again. This negates the intuition behind Premise 3, that the universe is intrinsically elegant and intelligible. (See The Argument from the Intelligibility of the Universe, #35 below.)

7. The Argument from Cosmic Coincidences

1. The universe contains many uncanny coincidences, such as that the diameter of the moon, as seen from the earth is the same as the diameter of the sun, as seen from the earth, which is why we can have spectacular eclipses when the corona of the sun is revealed. 2. Coincidences are, by definition, overwhelmingly improbable. 3. The overwhelmingly improbable defies all statistical explanation. 4. These coincidences are such as to enhance our awed appreciation for the beauty of the natural world. 5. These coincidences must have been designed in order to enhance our awed appreciation of the beauty of the natural world (from 3 & 4). 6. Only a being with the power to effect such uncanny coincidences and the purpose of enhancing our awed appreciation of the beauty of the natural world could have arranged these uncanny cosmic coincidences. 7. Only God could be the being with such power and such purpose. 8. God exists.

FLAW 1: Premise 3 does not follow from Premise 2. The occurrence of the highly improbable can be statistically explained in two ways. One is when we have a very large sample. A one-in-a-million event is not improbable at all if there are a million opportunities for it to occur. The other is that there is a huge number of occurrences that could be counted as coincidences, if we don't specify them beforehand but just notice them after the fact. (There could have been a constellation that forms a square around the moon; there could have been a comet that appeared on January 1, 2000; there could have been a constellation in the shape of a Star of David, etc. etc. etc.) When you consider how many coincidences are possible, the fact that we observe any one coincidence (which we notice after the fact) is not improbably but likely. And let's not forget the statistically improbable coincidences that cause havoc and suffering, rather than awe and wonder, in humans: the perfect storm, the perfect tsunami, the perfect plague, etc.

FLAW 2: The derivation of Premise 5 from Premises 3 and 4 is invalid: an example of the Projection Fallacy, in which we project the workings of our mind onto the world, and assume that our own subjective reaction is the result of some cosmic plan to cause that reaction. The human brain sees patterns in all kinds of random configurations: cloud formations, constellations, tea leaves, inkblots. That is why we are so good at finding supposed coincidences. It is getting things backwards to say that, in every case in which we see a pattern, someone deliberately put that pattern in the universe for us to see.

COMMENT: Prominent among the uncanny coincidences that figure into this argument are those having to do with numbers. Numbers are mysterious to us because they are not material objects like rocks and tables, but at the same time they seem to be real entities, ones that we can't conjure up with any properties we fancy but that have their own necessary properties and relations, and hence must somehow exist outside us (see The Argument from Our Knowledge of The Infinite, #29, and The Argument from Mathematical Reality, #30 below). We are therefore likely to attribute magical powers to them. And, given the infinity of numbers and the countless possible ways to apply them to the world, "uncanny coincidences" are bound to occur (see FLAW 1). In Hebrew, the letters are also numbers, which has given rise to the mystical art of "gematria," often used to elucidate, speculate, and prophesy about the unknowable.

8. The Argument from Personal Coincidences

1. People experience uncanny coincidences in their lives (for example, an old friend calling out of the blue just when you're thinking of him, or a dream about some event that turns out to have just happened, or missing a flight that then crashes). 2. Uncanny coincidences cannot be explained by the laws of probability (which is why we call them uncanny). 3. These uncanny coincidences, inexplicable by the laws of probability, reveal a significance to our lives. 4. Only a being who deems our lives significant and who has the power to effect these coincidences could arrange for them to happen. 5. Only God both deems our lives significant and has the power to effect these coincidences. 6. God exists.

FLAW 1: The second premise suffers from the major flaw of the Argument from Cosmic Coincidences: a large number of experiences, together with the large number of patterns that we would call "coincidences" after the fact, make uncanny coincidences probable, not improbable.

FLAW 2: Psychologists have shown that people are subject to an illusion called Confirmation Bias. When they have a hypothesis (such as that daydreams predict the future), they vividly notice all the instances that confirm it (the times when they think of a friend and he calls), and forget all the instances that don't (the times when they think of a friend and he doesn't call). Likewise, who among us remembers all the times when we miss a plane and it doesn't crash? The vast number of non-events we live through don't make an impression on us; the few coincidences do.

FLAW 3: There is an additional strong psychological bias at work here: Every one of us treats his or her own life with utmost seriousness. For all of us, there can be nothing more significant than the lives we are living. As David Hume pointed out, the self has an inclination to "spread itself on the world," projecting onto objective reality the psychological assumptions and attitudes that are too constant to be noticed, that play in the background like a noise you don't realize you are hearing until it stops. This form of the Projection Fallacy is especially powerful when it comes to the emotionally fraught questions about our own significance.

9. The Argument from Answered Prayers

1. Sometimes people pray to God for good fortune, and against enormous odds, their calls are answered. (For example, a parent prays for the life of her dying child, and the child recovers.) 2. The odds of the beneficial event happening are enormously slim (from 1). 3. The odds that the prayer would have been followed by recovery out of sheer chance are extremely small (from 2). 4. The prayer could only have been followed by the recovery if God listened to it and made it come true. 5. God exists.

This argument is similar to The Argument from Miracles below, except instead of the official miracles claimed by established religion, it refers to intimate and personal miracles.

FLAW 1: Premise 3 is indeed true. However, to use it to infer that a miracle has taken place (and an answered prayer is certainly a miracle) is to subvert it. There is nothing that is less probable than a miracle, since it constitutes a violation of a law of nature (see The Argument from Miracles, #11, below). Therefore, it is more reasonable to conclude that the correlation of the prayer and the recovery is a coincidence than that it is a miracle.

FLAW 2: The coincidence of a person praying for the unlikely to happen and its then happening is, of course, improbable. But the flaws in The Argument from Cosmic Coincidences and The Argument from Personal Coincidences apply here: Given a large enough sample of prayers (the number of times people call out to God to help them and those they love is tragically large), the improbable is bound to happen occasionally. And, given the existence of Confirmation Bias, we will notice these coincidences, yet fail to notice and count up the vastly larger number of unanswered prayers.

FLAW 3: There is an inconsistency in the moral reasoning behind this argument. It asks us to believe in a compassionate God who would be moved to pity by the desperate pleas of some among us — but not by the equally desperate pleas of others among us. Together with The Argument from A Wonderful Life, it appears to be supported by a few cherry-picked examples, but in fact is refuted by the much larger number of counterexamples it ignores: the prayers that go unanswered, the people who do not live wonderful lives. When the life is our own, or that of someone we love, we are especially liable to the Projection Fallacy, and spread our personal sense of significance onto the world at Large.

FLAW 4: Reliable cases of answered prayers always involve medical conditions that we know can spontaneously resolve themselves through the healing powers and immune system of the body, such as recovery from cancer, or a coma, or lameness. Prayers that a person can grow back a limb, or that a child can be resurrected from the dead, always go unanswered. This affirms that supposedly answered prayers are actually just the rarer cases of natural recovery.

10. The Argument from A Wonderful Life

1. Sometimes people who are lost in life find their way. 2. These people could not have known the right way on their own. 3. These people were shown the right way by something or someone other than themselves (from 2). 4. There was no person showing them the way. 5. God alone is a being who is not a person and who cares about each of us enough to show us the way. 6. Only God could have helped these lost souls (from 4 & 5). 7. God exists.

FLAW 1: Premise 2 ignores the psychological complexity of people. People have inner resources on which they draw, often without knowing how they are doing it or even that they are doing it. Psychologists have shown that events in our conscious lives—from linguistic intuitions of which sentences sound grammatical to moral intuitions of what would be the right thing to do in a moral dilemma—are the end-products of complicated mental manipulations of which we are unaware. So, too, decisions and resolutions can bubble into awareness without our being conscious of the processes that led to them. These epiphanies seem to announce themselves to us, as if they came from an external guide: another example of the Projection Fallacy.

FLAW 2: The same as FLAW 3 in The Argument from Answered Prayers, #9 above.

11. The Argument from Miracles

1. Miracles are events that violate the laws of nature. 2. Miracles can be explained only by a force that has the power of suspending the laws of nature for the purpose of making its presence known or changing the course of human history (from 1). 3. Only God has the power and the purpose to carry out miracles (from 2). 4. We have a multitude of written and oral reports of miracles. (Indeed, every major religion is founded on a list of miracles.) 5. Human testimony would be useless if it were not, in the majority of cases, veridical. 6. The best explanation for why there are so many reports testifying to the same thing is that the reports are true (from 5). 7. The best explanation for the multitudinous reports of miracles is that miracles have indeed occurred (from 6). 8. God exists (from 3 & 7).

FLAW 1: It is certainly true, as Premise 4 asserts, that we have a multitude of reports of miracles, with each religion insisting on those that establish it alone as the true religion. But the reports are not testifying to the same events; each miracle list justifies one religion at the expense of the others. See FLAW 2 in the Argument from Holy Books, #23 below.

FLAW 2: The fatal flaw in The Argument from Miracles was masterfully exposed by David Hume in An Inquiry Concerning Human Understanding, Chapter 10, "On Miracles." Human testimony may often be accurate, but it is very far from infallible. People are sometimes mistaken; people are sometimes dishonest; people are sometimes gullible — indeed, more than sometimes. Since in order to believe that a miracle has occurred we must believe a law of nature has been violated (something for which we otherwise have the maximum of empirical evidence), and we can only believe it on the basis of the truthfulness of human testimony (which we already know is often inaccurate), then even if we knew nothing else about the event, and had no particular reason to distrust the reports of witness, we would have to conclude that it is more likely that the miracle has not occurred, and that there is an error in the testimony, than that the miracle has occurred. (Hume strengthens his argument, already strong, by observing that religion creates situations in which there are particular reasons to distrust the reports of witnesses. "But if the spirit of religion join itself to the love of wonder, there is an end of common sense.")

COMMENT: The Argument from Miracles covers more specific arguments, such as The Argument from Prophets, The Arguments from Messiahs, and the Argument from Individuals with Miraculous Powers.

12. The Argument from The Hard Problem of Consciousness

1. The Hard Problem of Consciousness consists in our difficulty in explaining why it subjectively feels like something to be a functioning brain. (This is to be distinguished from the so-called Easy Problem of Consciousness, which is not actually easy at all, and is only called so in relation to the intractable Hard Problem. See FLAW 3 below.) 2. Consciousness (in the Hard-Problem sense) is not a complex phenomenon built out of simpler ones; it can consist of irreducible "raw feels" like seeing red or tasting salt. 3. Science explains complex phenomena by reducing them to simpler ones, and reducing them to still simpler ones, until the simplest ones are explained by the basic laws of physics. 4. The basic laws of physics laws describe the properties of the elementary constituents of matter and energy, like quarks and quanta, which are not conscious. 5. Science cannot derive consciousness by reducing it to basic physical laws about the elementary constituents of matter and energy (from 2, 3, and 4). 6. Science will never solve the Hard Problem of Consciousness (from 3 and 5). 7. The explanation for consciousness must lie beyond physical laws (from 6). 8. Consciousness, lying outside physical laws, must itself be immaterial (from 7). 9. God is immaterial 10. Consciousness and God both partake in the same immaterial kind of being (from 8 and 9). 11. God has not only the means to impart consciousness to us, but also the motive, namely, to allow us to enjoy a good life, and to make it possible for our choices to cause or prevent suffering in others, thereby allowing for morality and meaning. 12. Consciousness can only be explained by positing that God inserted a spark of the divine into us (from 7, 10, & 11). 13. God exists.

FLAW 1: Premise 3 is dubious. Science often shows that properties can be emergent: they arise from complex interactions of simpler elements, even if they cannot be found in any of the elements themselves. (Water is wet, but that does not mean that every H¬2 0 molecule it is made of is also wet.) Granted, we do not have a theory of neuroscience that explains how consciousness emerges from patterns of neural activity, but to draw theological conclusions from the currently incomplete state of scientific knowledge is to commit the Fallacy of Arguing from Ignorance.

FLAW 2: Alternatively, the theory of panpsychism posits that consciousness in a low-grade form, what is often called "proto-consciousness," is inherent in matter. Our physical theories, with their mathematical methodology, have not yet been able to capture this aspect of matter, but that may just be a limitation on our mathematical physical theories. Some physicists have hypothesized that contemporary malaise about the foundations of quantum mechanics arise because physics is here confronting the intrinsic consciousness of matter, which has not yet been adequately formalized within physical theories.

FLAW 3: It has become clear that every measurable manifestation of consciousness, like our ability to describe what we feel, or let our feelings guide our behavior (the "Easy Problem" of consciousness) has been, or will be, explained in terms of neural activity (that is, every thought, feeling, and intention has a neural correlate). Only the existence of consciousness itself (the "Hard Problem") remains mysterious. But perhaps the hardness of the hard problem says more about what we find hard — the limitations of the brains of Homo sapiens when it tries to think scientifically — than about the hardness of the problem itself. Just as our brains do not allow us to visualize four-dimensional objects perhaps our brains do not allow us to understand how subjective experience arises from complex neural activity.

FLAW 4: Premise 12 is entirely unclear. How does invoking the spark of the divine explain the existence of consciousness? It is the Fallacy of Using One Mystery To Pseudo-Explain Another.

COMMENT: Premise 11 is also dubious, because our capacity to suffer is far in excess of what it would take to make moral choices possible. This will be discussed in connection with The Argument from Suffering, #25 below.

13. The Argument from The Improbable Self

1. I exist in all my particularity and contingency: not as a generic example of personhood, not as any old member of Homo sapiens, but as that unique conscious entity that I know as me. 2. I can step outside myself and view my own contingent particularity with astonishment. 3. This astonishment reveals that there must be something that accounts for why, of all the particular things that I could have been, I am just this, namely, me (from 1 & 2). 4. Nothing within the world can account for why I am just this, since the laws of the world are generic: they can explain why certain kinds of things come to be, even (let's assume) why human beings with conscious brains come to be. But nothing in the world can explain why one of those human beings should be me. 5. Only something outside the world, who cares about me, can therefore account for why I am just this (from 4). 6. God is the only thing outside the world who cares about each and every one of us. 7. God exists.

FLAW: Premise 5 is a blatant example of the Fallacy of Using One Mystery To Pseudo-Explain Another. Granted that the problem boggles the mind, but waving one's hands in the direction of God is no solution. It gives us no sense of how God can account for why I am this thing and not another.

COMMENT: In one way, this argument is reminiscent of the Anthropic Principle. There are a vast number of people who could have been born. One's own parents alone could have given birth to a vast number of alternatives to oneself—same egg, different sperm; different egg, same sperm; different egg, different sperm. Granted, one gropes for a reason for why it was, against these terrific odds, that oneself came to be born. But there may be no reason; it just happened. By the time you ask this question, you already are existing in a world in which you were born. Another analogy: the odds that the phone company would have given you your exact number are minuscule. But it had to give you some number, so asking after the fact why it should be that number is silly. Likewise, the child your parents conceived had to be someone. Now that you're born, it's no mystery why it should be you; you're the one asking the question.

14. The Argument from Survival after Death

1. There is empirical evidence that people survive after death: patients who flat-line during medical emergencies report an experience of floating over their bodies and seeing glimpses of a passage to another world, and can accurately report what happened around their bodies while they were dead to the world. 2. A person's consciousness can survive after the death of his or her body (from 1) 3. Survival after death entails the existence of an immaterial soul. 4. The immaterial soul exists (from 2 & 3). 5. If an immaterial soul exists, then God must exist (from Premise 12 in The Argument from the Hard Problem of Consciousness, #12, above). 6. God exists.

FLAW : Premise 5 is vulnerable to the same criticisms that were leveled against Premise 12 in the Argument from the Hard Problem of Consciousness. Existence after death no more implies God's existence than our existence before death does.

COMMENT: Many, of course, would dispute Premise 1. The universal experiences of people near death, such as auras and out-of-body experiences, could be hallucinations resulting from oxygen deprivation in the brain. In addition, miraculous resurrections after total brain death, and accurate reports of conversations and events that took place while the brain was not functioning, have never been scientifically documented, and are informal, secondhand examples of testimony of miracles. They are thus vulnerable to the same flaws pointed out in The Argument from Miracles. But the argument is fatally flawed even if Premise 1 is granted.

15. The Argument from the Inconceivability of Personal Annihilation

1. I cannot conceive of my own annihilation: as soon as I start to think about what it would be like not to exist, I am thinking, which implies that I would exist (as in Descartes' Cogito ergo sum), which implies that I would not be thinking about what it is like not to exist. 2. My annihilation is inconceivable (from 1). 3. What cannot be conceived, cannot be. 4. I cannot be annihilated (from 2 & 3). 5. I survive after my death (from 4) The argument now proceeds on as in the argument from Survival After Death, only substituting in 'I' for 'a person,' until we get to: 6. God exists.

FLAW 1: Premise 2 confuses psychological inconceivability with logical inconceivability. The sense in which I can't conceive of my own annihilation is like the sense in which I can't conceive of those whom I love may betray me—a failure of the imagination, not an impossible state of affairs. Thus Premise 2 ought to read "My annihilation is inconceivable to me.", which is a fact about what my brain can conceive, not a fact about what exists.

FLAW 2: Same as Flaw 3 from The Argument from the Survival of Death.

COMMENT: Though logically unsound, this is among the most powerful psychological impulses to believe in a soul, and an afterlife, and God. It genuinely is difficult—not to speak of disheartening— to conceive of oneself not existing!

16. The Argument from Moral Truth

1. There exist objective moral truths. (Slavery and torture and genocide are not just distasteful to us, but are actually wrong.) 2. These objective moral truths are not grounded in the way the world is but rather in the way that the world ought to be. (Consider: should white-supremacists succeed, taking over the world and eliminating all who don't meet their criteria for being existence-worthy, their ideology still would be morally wrong. It would be true, under this hideous counterfactual, that the world ought not to be the way they have made it.) 3. The world itself — the way that it is, the laws of science that explain why it is that way — cannot account for the way that the world ought to be. 4. The only way to account for morality is that God established morality (from 2 and 3). 5. God exists.

FLAW 1: The major flaw of this argument is revealed in a powerful argument that Plato made famous in the Euthyphro. Reference to God does not help in the least to ground the objective truth of morality. The question is: why did God choose the moral rules he did? Did he have a reason justifying his choice that, say, giving alms to the poor is good, while genocide is wrong? Either he had a good reason or he didn't. If he did, then his reasons, whatever they are, can provide the grounding for moral truths for us, and God himself is redundant. And if he didn't have a good reason, then his choices are arbitrary—he could just as easily have gone the other way, making charity bad and genocide good—and we would have no reason to take his choices seriously. According to theEuthyphro argument, then, the Argument from Moral Truth is another example of The Fallacy of Passing the Buck. The hard work of moral philosophy consists in grounding morality in some version of the Golden Rule: that I cannot be committed to my own interests mattering in a way that yours do not just because I am me and you are not.

FLAW 2: Premise 4 is belied by the history of religion, which shows that the God from which people draw their morality (for example, the God of the Bible and the Koran) did not establish what we now recognize to be morality at all. The God of the Old Testament commanded people to keep slaves, slay their enemies, execute blasphemers and homosexuals, and commit many other heinous acts. Of course, our interpretation of which aspects of Biblical morality to take seriously has grown more sophisticated over time, and we read the Bible selectively and often metaphorically. But that is just the point: we must be consulting some standards of morality that do not come from God in order to judge which aspects of God's word to take literally and which aspects to ignore.

COMMENT : Some would question the first premise, and regard its assertion as a flaw of this argument. Slavery and torture and genocide are wrong by our lights, they would argue, and conflict with certain values we hold dear, such as freedom and happiness. But those are just subjective values, and it is obscure to say that statements that are consistent with those values are objectively true in the same way that mathematical or scientific statements can be true. But the argument is fatally flawed even if Premise 1 is granted.

17. The Argument from Altruism

1. People often act altruistically — namely, against their interests. They help others, at a cost to themselves, out of empathy, fairness, decency, and integrity. 2. Natural selection can never favor true altruism, because genes for selfishness will always out-compete genes for altruism (recall that altruism, by definition, exacts a cost to the actor). 3. Only a force acting outside of natural selection and intending for us to be moral could account for our ability to act altruistically (from 2). 4. God is the only force outside of natural selection that could intend us to be moral. 5. God must have implanted the moral instinct within us (from 3 & 4). 6. God exists.

FLAW 1: Theories of the evolution of altruism by natural selection have been around for decades and are now widely supported by many kinds of evidence. A gene for being kind to one's kin, even if it hurts the person doing the favor, can be favored by evolution, because that gene would be helping a copy of itself that is shared by the kin. And a gene for conferring a large benefit to a non-relative at a cost to oneself can evolve if the favor-doer is the beneficiary of a return favor at a later time. Both parties are better off, in the long run, from the exchange of favors.

Some defenders of religion do not consider these theories to be legitimate explanations of altruism, because a tendency to favor one's kin, or to trade favors, are ultimately just forms of selfishness for one's genes, rather than true altruism. But this is a confusion of the original phenomenon: we are trying to explain why people are sometimes altruistic, not why genes are altruistic. (We have no reason to believe that genes are ever altruistic in the first place!) Also, in a species with language, namely humans, committed altruists develop a reputation for being altruistic, and thereby win more friends, allies, and trading partners. This can give rise to selection for true, committed, altruism, not just the tit-for-tat exchange of favors.

FLAW 2: We have evolved higer mental faculties, such as self-reflection and logic, that allow us to reason about the world, to persuade other people to form alliances with us, to learn from our mistakes, and to achieve other feats of reason. Those same faculties, when they are honed through debate, reason, and knowledge, can allow us to step outside ourselves, learn about other people's point of view, and act in a way that we can justify as maximizing everyone's well-being. We are capable of moral reasoning because we are capable of reasoning in general.

FLAW 3: In some versions of the Argument from Altruism, God succeeds in getting people to act altruistically because he promises them a divine reward and threatens them with divine retribution. People behave altruistically to gain a reward or avoid a punishment in the life to come. This argument is self-contradictory. It aims to explain how people act without regard to their self-interest, but then assumes that there could be no motive for acting altruistically other than self-interest.

18. The Argument from Free Will

1. Having free will means having the freedom to choose our actions, rather than their being determined by some prior cause. 2. If we don't have free will, then we are not agents, for then we are not really acting, but rather we're being acted upon. (That's why we don't punish people for involuntary actions—such as a teller who hands money to a bank robber at gunpoint, or a driver who injures a pedestrian after a defective tire blows out.) 3. To be a moral agent means to be held morally responsible for what one does. 4. If we can't be held morally responsible for anything we do then the very idea of morality is meaningless. 5. Morality is not meaningless. 6. We have free will (from 2- 5). 7. We, as moral agents, are not subject to the laws of nature, in particular, the neural events in a genetically and environmentally determined brain (from 1 and 6). 8. Only a being who is apart from the laws of nature and partakes of the moral sphere could explain our being moral agents (from 7). 9. Only God is a being who is apart from the laws of nature and partakes of the moral sphere. 10. Only God can explain our moral agency (from 8 & 9). 11. God exists.

FLAW 1: This argument, in order to lead to God, must ignore the paradoxical Fork of Free Will. Either my actions are predictable (from my genes, my upbringing, my brain state, my current situation, and so on), or they are not. If they are predictable, then there is no reason to deny that they are caused, and we would not have free will. So they must be unpredictable, in other words, random. But if our behavior is random, then in what sense can it be attributable to us at all? If it really is a random event when I give the infirm man my seat in the subway, then in what sense is itme to whom this good deed should be attributed? If the action isn't caused by my psychological states, which are themselves caused by other states, then in one way is it really my action? And what good would it do to insist on moral responsibility, if our choices are random, and cannot be predicted from prior events (such as growing up in a society that holds people responsible)? This leads us back to the conclusion that we, as moral agents must be parts of the natural world-- the very negation of 7.

FLAW 2: Premise 10 is an example of the Fallacy of Using One Mystery to Pseudo-Explain Another. It expresses, rather than dispels, the confusion we feel when faced with the Fork of Free Will. The paradox has not been clarified in the least by introducing God into the analysis.

COMMENT: Free will is yet another quandary that takes us to the edge of our human capacity for understanding. The concept is baffling, because our moral agency seems to demand both that our actions be determined, and also that they not be determined.

19. The Argument from Personal Purpose

1. If there is no purpose to a person's life, then that person's life is pointless. 2. Human life cannot be pointless. 3. Each human life has a purpose (from 1 & 2). 4. The purpose of each individual person's life must derive from the overall purpose of existence. 5. There is an overall purpose of existence (from 3 and 4) 6. Only a being who understood the overall purpose of existence could create each person according to the purpose that person is meant to fulfill. 7. Only God could understand the overall purpose of creation. 8. There can be a point to human existence only if God exists (from 6 & 7). 9. God exists.

FLAW 1: The first premise rests on a confusion between the purpose of an action and the purpose of a life. It is human activities that have purposes—or don't. We study for the purpose of educating and supporting ourselves. We eat right and exercise for the purpose of being healthy. We warn children not to accept rides with strangers for the purpose of keeping them safe. We donate to charity for the purpose of helping the poor (just as we would want someone to help us if we were poor.) The notion of a person's entire life serving a purpose, above and beyond the purpose of all the person's choices, is obscure. Might it mean the purpose for which the person was born? That implies that some goal-seeking agent decided to bring our lives into being to serve some purpose. Then who is that goal-seeking agent? Parents often purposively have children, but we wouldn't want to see a parent's wishes as the purpose of the child's life. If the goal-seeking agent is God, the argument becomes circular: we make sense of the notion of "the purpose of a life" by stipulating that the purpose is whatever God had in mind when he created us, but then argue for the existence of God because he is the only one who could have designed us with a purpose in mind.

FLAW 2: Premise 2 states that human life cannot be pointless. But of course it could be pointless in the sense meant by this argument: lacking a purpose in the grand scheme of things. It could very well be the there is no grand scheme of things because there is no Grand Schemer. By assuming that there is a grand scheme of things, it assumes that there is a schemer whose scheme it is, which circularly assumes the conclusion.

COMMENT: It's important not to confuse the notion of "pointless" in Premise 2 with notions like "not worth living" or "expendable." It is probably confusions of this sort that give Premise 2 its appeal. But we can very well maintain that each human life is precious—is worth living, is not expendable—without maintaining that each human life has a purpose in the overall scheme of things.

20. The Argument from the Intolerability of Insignificance

1. In a million years nothing that happens now will matter. 2. By the same token, anything that happens at any point in time will not matter from the point of view of some other time a million years distant from it into the future. 3. No point in time can confer mattering on any other point, for each suffers from the same problem of not mattering itself (from 2). 4. It is intolerable (or inconceivable, or unacceptable) that in a million years nothing that happens now will matter. 5. What happens now will matter in a million years (from 4). 6. It is only from the point of view of eternity that what happens now will matter even in a million years (from 3). 7. Only God can inhabit the point of view of eternity. 8. God exists.

FLAW: Premise 4 is illicit: it is of the form "This argument must be correct, because it is intolerable that this argument is not correct." The argument is either circular, or an example of the Fallacy of Wishful Thinking. Maybe we won't matter in a million years, and there's just nothing we can do about it. If that is the case, we shouldn't declare that it is intolerable—we just have to live with it. Another way of putting it is: we should take ourselves seriously (being mindful of what we do, and the world we leave our children and grandchildren), but we shouldn't take ourselves that seriously, and arrogantly demand that we must matter in a million years.

21. The Argument from the Consensus of Humanity

1. Every culture in every epoch has had theistic beliefs. 2. When peoples, widely separated by both space and time, hold similar beliefs, the best explanation is that those beliefs are true. 3. The best explanation for why every culture has had theistic beliefs is that those beliefs are true. 4. God exists.

FLAW: 2 is false. Widely separated people could very well come up with the same false beliefs. Human nature is universal, and thus prone to universal illusions and shortcomings of perception, memory, reasoning, and objectivity. Also , many of the needs and terrors and dependencies of the human condition (such as the knowledge of our own mortality, and the attendant desire not to die) are universal. Our beliefs don't arise only from well-evaluated reasoning, but from wishful thinking, self-deception, self-aggrandizement, gullibility, false memories, visual illusions, and other mental glitches. Well-grounded beliefs may be the exception rather than the rule when it comes to psychologically fraught beliefs, which tend to bypass rational grounding and spring instead from unexamined emotions. The fallacy of arguing that if an idea is universally held then it must be true was labeled by the ancient logicians consensus gentium.

22. The Argument from the Consensus of Mystics

1. Mystics go into a special state in which they seem to see aspects of reality that elude everyday experience. 2. We cannot evaluate the truth of their experiences from the viewpoint of everyday experience (from 1) 3. There is a unanimity among mystics as to what they experience. 4. When there is unanimity among observers as to what they experience, then unless they are all deluded in the same way, the best explanation for their unanimity is that their experiences are true. 5. There is no reason to think that mystics are all deluded in the same way. 6. The best explanation for the unanimity of mystical experience is that what mystics perceive is true (from 4 & 5). 7. Mystical experiences unanimously testify to the transcendent presence of God. 8. God exists.

FLAW 1 : Premise 5 is disputable. There is indeed reason to think mystics might be deluded in similar ways. The universal human nature that refuted the Argument from the Consensus of Humanity entails that the human brain can be stimulated in unusual ways that give rise to universal (but not objectively correct) experiences. The fact that we can stimulate the temporal lobes of non-mystics and induce mystical experiences in them is evidence that mystics might indeed all be deluded in similar ways. Certain drugs can also induce feelings of transcendence, such as an enlargement of perception beyond the bounds of effability, a melting of the boundaries of the self, a joyful expansion out into an existence that seems to be all One, with all that Oneness pronouncing Yes upon us. Such experiences, which, as William James points out, are most easily attained by getting drunk, are of the same kind as the mystical: "The drunken consciousness is one bit of the mystic consciousness." Of course, we do not exalt the stupor and delusions of drunkenness because weknow what caused them. The fact that the same effects can overcome a person when we know what caused them (and hence don't call the experience "mystical") — is reason to suspect that the causes of mystical experiences also lie within internal excitations of the brain having nothing to do with perception.

FLAW 2: The struggle to put the ineffable contents of abnormal experiences into language inclines the struggler toward pre-existing religious language, which is the only language that most of us have been exposed to which overlaps with the unusual sensations of an altered state of consciousness. This observation casts doubt on Premise 7.See also The Argument from Sublimity, #34 below.

23. The Argument from Holy Books

1. There are holy books that reveal the word of God. 2. The word of God is necessarily true. 3. The word of God reveals the existence of God. 4. God exists.

FLAW 1: This is a circular argument if ever there was one. The first three premises cannot be maintained unless one independently knows the very conclusion to be proved, namely that God exists.

FLAW 2: A glance at the world's religions shows that there are numerous books and scrolls and doctrines and revelations that all claim to reveal the word of God. But they are mutually incompatible. Should I believe that Jesus is my personal savior? Or should I believe that God made a covenant with the Jews requiring every Jew to keep the commandments of the Torah? Should I believe that Mohammad was Allah's last prophet and that Ali, the prophet's cousin and husband of his daughter Fatima, ought to have been the first caliph, or that Mohammad was Allah's last prophet and that Ali was the fourth and last caliph? Should I believe that the resurrected prophet Moroni dictated the Book of Mormon to Joseph Smith? Or that Ahura Mazda, the benevolent Creator, is at cosmic war with the malevolent Angra Mainyu? And on and on it goes. Only the most arrogant provincialism could allow someone to believe that the holy documents that happen to be held sacred by the clan he was born into are true, while all the documents held sacred by the clans he wasn't born into are false.

24. The Argument from Perfect Justice

1. This world provides numerous instances of imperfect justice — bad things happening to good people and good things happening to bad people. 2. It violates our sense of justice that imperfect justice may prevail. 3. There must be a transcendent realm in which perfect justice prevails (from 1 and 2). 4. A transcendent realm in which perfect justice prevails entails the Perfect Judge. 5. The Perfect Judge is God. 6. God exists.

FLAW: This is a good example of the Fallacy of Wishful Thinking. Our wishes for how the world should be need not be true; just because we want there to be some realm in which perfect justice applies does not mean that there is such a realm. In other words, there is no way to pass from Premise 2 to Premise 3 without the Fallacy of Wishful Thinking.

25. The Argument from Suffering

1. There is much suffering in this world. 3. Some suffering (or at least its possibility) is a demanded by human moral agency: if people could not choose evil acts that cause suffering, moral choice would not exist. 4.Whatever suffering cannot be explained as the result of human moral agency must also have some purpose (from 2 & 3). 5. There are virtues — forbearance, courage, compassion, and so on — that can only develop in the presence of suffering. We may call them "the virtues of suffering." 6. Some suffering has the purpose of our developing the virtues of suffering (from 5). 7. Even taking 3 and 6 into account, the amount of suffering in the world is still enormous — far more than what is required for us to benefit from suffering. 8. Moreover, there are those who suffer who can never develop the virtues of suffering--children, animals, those who perish in their agony. 9. There is more suffering than we can explain by reference to the purposes that we can discern (from 7 & 8). 10 There are purposes for suffering that we cannot discern (from 2 and 9). 11. Only a being who has a sense of purpose beyond ours could provide the purpose of all suffering (from 10). 12. Only God could have a sense of purpose beyond ours. 13. God exists.

FLAW: This argument is a sorrowful one, since it highlights the most intolerable feature of our world, the excess of suffering. The suffering in this world is excessive in both its intensity and its prevalence, often undergone by those who can never gain anything from it. This is a powerful argument against the existence of a compassionate and powerful deity. It is only the Fallacy of Wishful Thinking, embodied in Premise 2, that could make us presume that what is psychologically intolerable cannot be the case.

26. The Argument from the Survival of The Jews

1. The Jews introduced the world to the idea of the one God, with his universal moral code 2. The survival of the Jews, living for milliennia without a country of their own, and facing a multitude of enemies that sought to destroy not only their religion but all remnants of the race, is a historical unlikelihood. 3. The Jews have survived against vast odds (from 2). 4. There is no natural explanation for so unlikely an event as the survival of the Jews (from 3). 5. The best explanation is that they have some transcendent purpose to play in human destiny (from 1 and 4). 6. Only God could have assigned a transcendent destiny to the Jews. 7. God exists.

FLAW 1: The fact that the Jews, after the destruction of the Second Temple by the Romans, had no country of their own made it more likely, rather than less likely, that they would survive as a people. If they had been concentrated in one country, they would surely have been conquered by one of history's great empires, as happened to other vanished tribes. But a people dispersed across a vast diaspora is more resilient, which is why other stateless peoples, like the Parsis and Roma, have also survived for millennia, often against harrowing odds. Moreover, the Jews encouraged cultural traits — such as literacy, urban living, specialization in middleman occupations, and an extensive legal code to govern their internal affairs --that gave them further resilience against the vicissitudes of historical change. The survival of the Jews, therefore, is not a miraculous improbability.

COMMENT: The persecution of the Jews need not be seen as a part of a cosmic moral drama. The unique role that Judaism played in disseminating monotheism, mostly through the organs of its two far more popular monotheistic offshoots, Christianity and Islam, has bequeathed to its adherents an unusual amount of attention, mostly negative, from adherents of those other monotheistic religions.

27. The Argument from The Upward Curve of History

1. There is an upward moral curve to human history (tyrannies fall; the evil side loses in major wars; democracy, freedom, and civil rights spread). 2. Natural selection's favoring of those who are fittest to compete for resources and mates has bequeathed humankind selfish and aggressive traits. 3. Left to their own devices, a selfish and aggressive species could not have ascended up a moral curve over the course of history (from 2). 4.Only God has the power and the concern for us to curve history upward. 5. God exists.

FLAW: Though our species has inherited traits of selfishness and aggression, we have also inherited capacities for empathy, reasoning, and learning from experience. We have also inherited language, and with it a means to pass on the lessons we have learned from history. And so humankind has slowly reasoned its way toward a broader and more sophisticated understanding of morality, and more effective institutions for keeping peace. We make moral progress as we do scientific progress, through reasoning, experimentation, and the rejection of failed alternatives.

28. The Argument from Prodigious Genius

1. Genius is the highest level of creative capacity, the level which, by definition, defies explanation. 2. Genius does not happen by way of natural psychological processes (from 1). 3. The cause of genius must lie outside of natural psychological processes (from 2). 4. The insights of genius have helped in the cumulative progress of humankind — scientific, technological, philosophical, moral, artistic, societal, political, spiritual. 5. The cause of genius must both lie outside of natural psychological processes and be such as to care about the progress of humankind (from 3 and 4). 6. Only God could work outside of natural psychological processes and create geniuses to light the path of humankind. 7. God exists.

FLAW 1: The psychological traits that go into human accomplishment, such as intelligence and perseverance, are heritable. By the laws of probability, rare individuals will inherit a concentrated dose of those genes. Given a nurturing cultural context, these individuals will, some of the time, exercise their powers to accomplish great feats. Those are the individuals we call geniuses. We may not know enough about genetics, neuroscience, and cognition to explain exactly what makes for a Mozart or an Einstein, but exploiting this gap to argue for supernatural provenance is an example of The Fallacy of Arguing from Ignorance.

FLAW 2: Human genius is not consistently applied to human betterment. Consider weapons of mass destruction, computer viruses, Hitler's brilliantly effective rhetoric, or those criminal geniuses (for example electronic thieves) who are so cunning that they elude detection.

29. The Argument from Human Knowledge of Infinity

1. We are finite, and everything with which we come into physical contact is finite. 2. We have a knowledge of the infinite, demonstrably so in mathematics. 3. We could not have derived this knowledge of the infinite from the finite, from anything which we are and come in contact with (from 1). 4. Only something itself infinite could have implanted knowledge of the infinite in us ( from 2 and 3). 5. God would want us to have a knowledge of the infinite, both for the cognitive pleasure it affords us and because it allows us to come to know him, who is himself infinite. 6. God is the only entity both that is infinite and that could have an intention of implanting the knowledge of the infinite within us (from 4 & 5). 7. God exists.

FLAW: There are certain computational procedures governed by what logicians call recursive rules. A recursive rule is one that refers to itself, and hence it can be applied to its own output ad infinitum. For example, we can define a natural number recursively: 1 is a natural number and if you add 1 to a natural number, the result is a natural number. We can apply this rule an indefinite number of times and thereby generate an infinite series of natural numbers. Recursive rules allow a finite system (a set of rules, a computer, a brain) to reason about an infinity of objects, refuting Premise 3.

COMMENT: I n 1931 the young logician Kurt Gödel published a paper proving a result called the Incompleteness Theorem (actually there are two). Basically, what Gödel demonstrated is that recursive rules cannot capture all of arithmetic. So though the flaw discussed above is sufficient to invalidate Premise 3 , it should not be understood as suggesting that all of our mathematical knowledge is reducible to recursive rules.

30. The Argument from Mathematical Reality

1. Mathematical truths are necessarily true. (There is no possible world in which, say, 2 plus 2 does not equal 4, or in which the square root of 2 can be expressed as the ratio of two whole numbers.) 2. The truths that describe our physical world, no matter how fundamental, are empirical, requiring observational evidence. (So, for example, we await some empirical means to test string theory, in order to find out whether we live in a world of eleven dimensions.) 3. Truths that require empirical evidence are not necessary truths. (We require empirical evidence because there are possible worlds in which these are not truths, and so we have to test that ours is not such a world.) 4. The truths of our physical world are not necessary truths (from 2 and 3). 5. The truths of our physical world cannot explain mathematical truths (from 1 and 4). 6. Mathematical truths exist on a different plane of existence from physical truths (from 5). 7. Only something which itself exists on a different plane of existence from the physical can explain mathematical truths (from 6). 8. Only God can explain mathematical truths (from 7). 9. God exists.

Mathematics is derived through pure reason — what the philosophers call a priori reason — which means that it cannot be refuted by any empirical observations. The fundamental question in philosophy of mathematics is: how can mathematics be true but not empirical? Is it because mathematics describes some trans-empirical reality — as mathematical realists believe — or is it because mathematics has no content at all and is a purely formal game consisting of stipulated rules and their consequences? The Argument from Mathematical Reality assumes, in its third premise, the position of mathematical realism, which isn't a fallacy in itself; many mathematicians believe it, some of them arguing that it follows from Gödel's incompleteness theorems (see the COMMENT in The Argument from Human Knowledge of Infinity, #30 above). This argument, however, goes further and tries to deduce God's existence from the trans-empirical existence of mathematical reality.

FLAW 1: The inference of 5, from 1 and 4, does not take into account the formalist response to the non-empirical nature of mathematics.

FLAW 2: Even if one, Platonistically, accepts the derivation of 5 and then 6, there is something fishy about proceeding onward to 7, with its presumption that something outside of mathematical reality must explain the existence of mathematical reality. Lurking within 7 is the hidden premise: mathematical truths must be explained by reference to non-mathematical truths. But why? If God can be self-explanatory, as this argument presumes, why then can't mathematical reality be self-explanatory — especially since the truths of mathematics are, as this argument asserts, necessarily true?

FLAW 3: Mathematical reality — if indeed it exists — is, admittedly, mysterious. But invoking God does not dispel this puzzlement; it is an instance of "The Fallacy of Using One Mystery to Pseudo-Explain Another." The mystery of God's existence is often used, by those who assert it, as an explanatory sink hole.

31.The Argument from Decision Theory (Pascal's Wager)

1. Either God exists or God doesn't exist. 2. A person can either believe that God exists or believe that God doesn't exist(from 1). 3. If God exists and you believe, you receive eternal salvation. 4. If God exists and you don't believe, you receive eternal damnation. 5. If God doesn't exist and you believe, you've been duped, have wasted time in religious observance, and have missed out on decadent enjoyments. 6. If God doesn't exist, and you don't believe, then you have avoided a false belief. 7. You have much more to gain by believing in God than not believing in him, and much more to lose by not believing in God than believing in him (from, 3, 4, 5, & 6) 8. It is more rational to believe that God exists than to believe that he doesn't exist (from 7).

This unusual argument does not justify the conclusion that "God exists." Rather it argues that it is rational to believe that God exists, given that we don't know whether he exists.

FLAW 1: The "believe" option in Pascal's wager can be interpreted in two ways.

One is that the wagerer genuinely has to believe, deep down, that God exists; in other words, it is not enough to mouth a creed, or merely act as if God exists. According to this interpretation, God, if He exists, can peer into a person's soul and discern the person's actual convictions. If so, the kind of "belief" that Pascal's wager advises — a purely pragmatic strategy, chosen because the expected benefits exceed the expected costs — would not be enough. Indeed, it's not even clear that this option is coherent: if one chooses to believe something because of the consequences of holding that belief, rather than being intuitively convinced of it, is it really a belief, or just an empty vow?

The other interpretation is that it is enough to act in the way that traditional believers act: say prayers, go to services, recite the appropriate creed, and go through the other motions of religion.

The problem is that Pascal's wager offers no guidance as to which prayers, which services, whichcreed, to live by. Say I chose to believe in the Zoroastrian cosmic war between Ahura Mazda and Angra Mainyu to avoid the wrath of the former, while the real fact of the matter is that God gave the Torah to the Jews, and I am thereby inviting the wrath of Yahweh (or vice-versa). Given all the things I could "believe" in, I am in constant danger of incurring the negative consequences of disbelief even though I choose the "belief" option. The fact that Blaise Pascal stated his wager as two stark choices, putting the outcomes in blatantly Christian terms — eternal salvation and eternal damnation — reveals more about his own upbringing than they do about the logic of belief. The wager simply codifies his particular "live options," to use William James's term, for the only choices that seem possible to a given believer.

FLAW 2: Pascal's wager assumes a petty, egotistical, and vindictive God who punishes anyone who does not believe in him. But the great monotheistic religions all declare that "mercy" is one of God's essential traits. A merciful God would surely have some understanding of why a person may not believe in him (if the evidence for God were obvious, the fancy reasoning of Pascal's wager would not be necessary), and so would extend compassion to a nonbeliever. (Bertrand Russell, when asked what he would have to say to God if, despite his philosophical atheism, he were to die and face his Creator, responded, "Oh, Lord, why did you not provide more evidence?') The nonbeliever therefore should have nothing to worry about — falsifying the negative payoff in the lower-left-hand cell of the matrix.

FLAW 3: The calculations of expected value in Pascal's wager omit a crucial part of the mathematics: the probabilities of each of the two columns, which have to be multiplied with the payoff in each cell to determine the expected value of each cell. If the probability of God's existence (ascertained by other means) is infinitesimal, then even if the cost of not believing in him is high, the overall expectation may not make it worthwhile to choose the "believe" row (after all, we take many other risks in life with severe possible costs but low probabilities, such as boarding an airplane). One can see how this invalidates Pascal's Wager by considering similar wagers. Say I told you that a fire-breathing dragon has moved into the next apartment and that unless you set out a bowl of marshmallows for him every night he will force his way into your apartment and roast you to a crisp. According to Pascal's wager, you should leave out the marshmallows. Of course you don't, even though you are taking a terrible risk in choosing not to believe in the dragon, because you don't assign a high enough probability to the dragon's existence to justify even the small inconvenience.

32. The Argument from Pragmatism

(William James's Leap of Faith)

1. The consequences for the believer's life of believing should be considered as part of the evidence for the truth of the belief (just as the effectiveness of a scientific theory in its practical applications is considered evidence for the truth of the theory). Call this the pragmatic evidence for the belief. 2. Certain beliefs effect a change for the better in the believer's life — the necessary condition being that they are believed. 3. The belief in God is a belief that effects a change for the better in a person's life. 4. If one tries to decide whether or not to believe in God based on the evidence available, one will never get the chance to evaluate the pragmatic evidence for the beneficial consequences of believing in God (from 2 and 3). 5. One ought to make 'the leap of faith' (the term is James's) and believe in God, and only then evaluate the evidence (from 1 and 4).

This argument can be read out of William James's classic essay "The Will to Believe." The first premise , as presented here, is a little less radical than James's pragmatic definition of truth in general, according to which a proposition is true if believing that it is true has a cumulative beneficial effect on the believer's life. The pragmatic definition of truth has severe problems, including possible incoherence: in evaluating the effects of the belief on the believer, we have to know the truth about what those effects are, which forces us to fall back on the old-fashioned notion of truth. To make the best case for The Argument from Pragmatism, therefore, the first premise is here understood as claiming only that the pragmatic consequences of belief are a relevant source of evidence in ascertaining the truth, not that they can actually be equated with the truth.

FLAW 1: What exactly does effecting "a change for the better on the believer's life" mean? For an antebellum Southerner, there was more to be gained in believing that slavery is morally permissible than in believing it heinous. It often doesn't pay to be an iconoclast or revolutionary thinker, no matter how much truer your ideas are than the ideas opposing you. It didn't improve Galileo's life to believe that the earth moved around the sun rather than that the sun and the heavens revolve around the earth. (Of course, you could say that it's always intrinsically better to believe something true rather than something false, but then you're just using the language of the pragmatist to mask a non-pragmatic notion of truth.)

FLAW 2: The Argument from Pragmatism implies an extreme relativism regarding the truth, because the effects of belief differ for different believers. A profligate, impulsive drunkard may have to believe in a primitive retributive God who will send him to Hell if he doesn't stay out of barroom fights, whereas a contemplative mensch may be better off with an abstract deistic presence who completes his deepest existential world view. But either there is a vengeful God who sends sinners to Hell or there isn't. If one allows pragmatic consequences to determine truth, then truth becomes relative to the believer, which is incoherent.

FLAW 3: Why should we only consider the pragmatic effects on the believer's life? What about the effects on everyone else? The history of religious intolerance, including inquisitions, fatwas, and suicide bombers, suggests that the effects on one person's life of another person's believing in God can be pretty grim.

FLAW 4: The pragmatic argument for God suffers from the first flaw of The Argument from Decision Theory (#31 above) — namely the assumption that the belief in God is like a faucet that one can turn on and off as the need arises. If I make the leap of faith in order to evaluate the pragmatic consequences of belief, then if those consequences are not so good, can I leap back again to disbelief? Isn't a leap of faith a one-way maneuver? "The will to believe" is an oxymoron: beliefs are forced on a person (ideally, by logic and evidence); they are not chosen for their consequences.

33. The Argument from the Unreasonableness of Reason

1. Our belief in reason cannot be justified by reason, since that would be circular. 2. Our belief in reason must be accepted on faith (from 1). 3. Every time we exercise reason we are exercising faith (from 2). 4. Faith provides good rational grounds for beliefs (since it is, in the final analysis, necessary even for the belief in reason — from 3). 5. We are justified in using faith for any belief that is so important to our lives that not believing it would render us incoherent (from 4). 6. We cannot avoid faith in God if we are to live coherent moral and purposeful lives. 7. We are justified in believing that God exists (from 5 & 6). 8. God exists.

Reason is a faculty of thinking, the very faculty of giving grounds for our beliefs. To justify reason would be to try to give grounds for the belief: "We ought to accept the conclusions of sound arguments." Let's say we produce a sound argument for the conclusion that "we ought to accept the conclusions of sound arguments." How could we legitimately accept the conclusion of that sound argument without independently knowing the conclusion? Any attempt to justify the very propositions that we must use in order to justify propositions is going to land us in circularity.

FLAW 1: This argument tries to generalize the inability of reason to justify itself to an abdication of reason when it comes to justifying God's existence. But the inability of reason to justify reason is a unique case in epistemology, not an illustration of a flaw of reason that can be generalized to some other kind of belief — and certainly not a belief in the existence of some entity with specific properties such as creating the world or defining morality.

Indeed, one could argue that the attempt to justify reason with reason is not circular, but rather, unnecessary. One already is, and always will be, committed to reason by the very process one is already engaged in, namely reasoning. Reason is non-negotiable; all sides concede it. It needs no justification, because it is justification. A belief in God is not like that at all.

FLAW 2: If one really took the unreasonability of reason as a license to believe things on faith, then which things should one believe in? If it is a license to believe in a single God who gave his son for our sins, why isn't it just as much a license to believe in Zeus and all the other Greek gods, or the three major gods of Hinduism, or the angel Moroni? For that matter, why not Santa Claus and the Tooth Fairy? If one says that there are good reasons to accept some entities on faith, while rejecting others, then one is saying that it is ultimately reason, not faith, that must be invoked to justify a belief.

FLAW 3: Premise 6, which claims that a belief in God is necessary in order to have a purpose in one's life, or to be moral, has already been challenged in the discussions of The Argument from Moral Truth (#16 above) and The Argument from Personal Purpose (#19 above).

34. The Argument from Sublimity

1. There are experiences that are windows into the wholeness of existence — its grandeur, beauty, symmetry, harmony, unity, even its goodness. 2. We glimpse a benign transcendence in these moments. 3. Only God could provide us with a glimpse of benign transcendence. 4. God exists.

FLAW: An experience of sublimity is an aesthetic experience Aesthetic experience can indeed be intense and blissful, absorbing our attention so completely while exciting our pleasure that they seem to lift us right out of ourselves. Aesthetic experiences vary in their strength, and when they are overwhelming, we grope for terms like "transcendence" to describe the overwhelmingness. Yet for all that, aesthetic experiences are still, more than likely, internal excitations of the brain, as we see from the fact that ingesting recreational drugs can bring on even more intense experiences of transcendence. And the particular triggers for natural aesthetic experiences are readily explicable from the evolutionary pressures that have shaped the perceptual systems of human beings. An eye for sweeping vistas, dramatic skies, bodies of water, large animals, flowering and fruiting plants, and strong geometric patterns with repetition and symmetry, was necessary to orient attention to aspects of the environment that were matters of life and death to the species as it evolved in its natural environment. The identification of a blissfully aesthetic experience with a glimpse into benign transcendence is an example of The Projection Fallacy, dramatic demonstrations of our spreading ourselves onto the world. This is most obvious when the experience gets fleshed out into the religious terms that come most naturally to the particular believer, such as a frozen waterfall being seen by a Christian as a manifestation of the Christian trinity. One does not detract anything from the sublimity of aesthetic experiences by seeing them for what they are, namely sublime aesthetic experiences. Music, too, produces such experiences, though there we know exactly who the creators were.

35. The Argument from the Intelligibility of the World

(Spinoza's God)

1. All facts must have explanations. 2. The fact that there is a universe at all — and that it is this universe, with just these laws of nature — has an explanation (from 1). 3.There must, in principle, be a Theory of Everything that explains why just this universe, with these laws of nature, exists (from 2. Note that this premise should not be interpreted as entailing that we have the capacity to come up with a Theory of Everything; it may elude the cognitive abilities we have.) 4. If The Theory of Everything explains everything, it explains why it is the Theory of Everything. 5. The only way that the Theory of Everything could explain why it is the Theory of Everything is if it is itself necessarily true (i.e. true in all possible worlds). 6. The Theory of Everything is necessarily true (from 4 & 5). 7. The universe, understood in terms of the Theory of Everything, exists necessarily and explains itself (from 6). 8. That which exists necessarily and explains itself is God (a definition of "God"). 9. The universe is God (from 7 & 8). 10. God exists.

Whenever Einstein was asked whether he believed in God, he responded that he believed in "Spinoza's God." This argument presents Spinoza's God. It is one of the most elegant and subtle arguments for God's existence, demonstrating where one ends up if one rigorously eschews the Fallacy of Invoking One Mystery to Pseudo-Explain Another: one ends up with the universe, and nothing but the universe: a universe which itself provides all the answers to all the questions one can pose about it. A major problem with the argument, however, in addition to the flaws discussed below, is that it is not at all clear that it is God whose existence is being proved. Spinoza's conclusion is that the universe that is described by the laws of nature simply is God. Perhaps the conclusion should, rather, be that the universe is different from what it appears to be — no matter how arbitrary and chaotic it may appear, it is in fact perfectly lawful and necessary, and therefore worthy of our awe. But is its awe-inspiring lawfulness reason enough to regard it as God? Spinoza's God is sharply at variance with all other divine conceptions.

The argument has only one substantive premise, its first one, which, though unproved, is not unreasonable; it is, in fact, the claim that the universe itself is thoroughly reasonable. Though this first premise can't be proved, it is the guiding faith of many physicists (including Einstein). It is the claim that everything must have an explanation; even the laws of nature, in terms of which processes are explained, must have an explanation. In other words, there has to be an explanation for why it is these laws of nature rather than some other, which is another way of asking for why it is this world rather than some other.

FLAW: The first premise can be challenged. Our world could conceivably be one in which randomness and contingency have free reign, no matter what the intuitions of some scientists are. Maybe some things just are ("stuff happens"), including the fundamental laws of nature. Philosophers sometimes call this just- is-ness "contingency" and, if the fundamental laws of nature are contingent, then even if everything that happens in the world is explainable by those laws, the laws themselves couldn't be explained. There is a sense in which this argument recalls The Argument from the Improbable Self. Both demand explanations for just this-ness, whether of just this universe or just this me.

The Argument from the Intelligibility of the Universe fleshes out the consequences of the powerful first premise, but some might regard the argument as a reductio ad absurdum of that premise.

COMMENT: Spinoza's argument, if sound, invalidates all the other arguments, the ones that try to establish the existence of a more traditional God—that is, a God who stands distinct from the world described by the laws of nature, as well as distinct from the world of human meaning, purpose, and morality. Spinoza's argument claims that any transcendent God, standing outside of that for which he is invoked as explanation, is invalidated by the first powerful premise, that all things are part of the same explanatory fabric. The mere coherence of The Argument from The Intelligibility of The Universe, therefore, is sufficient to reveal the invalidity of the other theistic arguments. This is why Spinoza, although he offered a proof of what he called "God," is often regarded as the most effective of all atheists.

36. The Argument from The Abundance of Arguments

1. The more arguments there are for a proposition, the more confidence we should have in it, even if every argument is imperfect. (Science itself proceeds by accumulating evidence, each piece by itself being inconclusive.) 2. There is not just one argument for the existence of God, but many — thirty-five (with variations) in this list alone. 3. The arguments, though not flawless, are persuasive enough that they have convinced billions of people, and for millennia have been taken seriously by history's greatest minds. 4. The probability that each one is true must be significantly greater than zero (from 3). 5. For God not to exist, every one of the arguments for his existence must be false, which is extremely unlikely (from 4 ). Imagine, for the sake of argument, that each argument has an average probability of only .2 of being true. Then the probability that all 35 are flase is (1-0.2)^35 = .0004, an extremely low probability. 6. It is extremely probable that God exists (from 5).

FLAW 1: Premise 3 is vulnerable to t he same criticisms as the Argument from the Consensus of Humanity. The flaws that accompany each argument may be extremely damaging, even fatal, notwithstanding the fact that they have been taken seriously by many people throughout history. In other words, the average probability of any of the arguments being true may be far less than .2, in which case the probability that all of them are false could be high.

FLAW 2: This argument treats all the other arguments as being on an equal footing, distributing equal probabilities to them all, and rewarding all of them, too, with the commendation of being taken seriously by history's greatest minds. Many of the arguments on this list have been completely demolished by such minds as David Hume and Baruch Spinoza: their probability is zero.

COMMENT: The Argument from the Abundance of Arguments may be the most psychologically important of the thirty-six. Few people rest their belief in God on a single, decisive logical argument. Instead, people are swept away by the sheer number of reasons that make God's existence seem plausible — holding out an explanation as to why the universe went to the bother of existing, and why it is this particular universe, with its sublime improbabilities, including us humans; and, even more particularly, explaining the existence of each one of us who know ourselves as a unique conscious individual, who makes free and moral choices that grant meaning and purpose to our lives; and, even more personally, giving hope that desperate prayers may not go unheard and unanswered, and that the terrors of death can be subdued in immortality. Religions, too, do not justify themselves with a single logical argument, but rather set themselves up to minister to all of these needs and provide a space in people's lives where large questions that escape answers all come together and co-mingle, a co-mingling that, in itself, can give the illusion that they are being answered.

[Excerpted from 36 Arguments for the Existence of God: A Work of Fiction by Rebecca Newberger Goldstein, New York: Pantheon Books. Forthcoming, January, 2010. Copyright © 2010 by Rebecca Newberger Goldstein. All rights reserved. Published with permission.]

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Moral Arguments for the Existence of God

Moral arguments for God’s existence form a diverse family of arguments that reason from some feature of morality or the moral life to the existence of God, usually understood as a morally good creator of the universe. Moral arguments are both important and interesting. They are interesting because evaluating their soundness requires attention to practically every important philosophical issue dealt with in metaethics. They are important because of their prominence in popular apologetic arguments for religious belief. Evidence for this can be found in the amazing popularity of C. S. Lewis’s Mere Christianity (1952), which is almost certainly the best-selling book of apologetics in the twentieth century, and which begins with a moral argument for God’s existence. Many ordinary people regard religion as in some way providing a basis or foundation for morality. This fact might seem to favor religious arguments for morality rather than moral arguments for religious belief, but if someone believes that morality is in some way “objective” or “real,” and that this moral reality requires explanation, moral arguments for God’s reality naturally suggest themselves. The apparent connection between morality and religion appears to many people to support the claim that moral truths require a religious foundation, or can best be explained by God’s existence, or some qualities or actions of God.

After some general comments about theistic arguments and a brief history of moral arguments, this essay will discuss several different forms of the moral argument. A major distinction is that between moral arguments that are theoretical in nature and practical or pragmatic arguments. The former are best thought of as arguments that begin with alleged moral facts and argue that God is necessary to explain those facts, or at least that God provides a better explanation of them than secular accounts can offer. The latter typically begin with claims about some good or end that morality requires and argue that this end is not attainable unless God exists. Whether this distinction is hard and fast will be one of the questions to be discussed, as some argue that practical arguments by themselves cannot be the basis of rational belief. To meet such concerns practical arguments may have to include a theoretical dimension as well.

1. The Goals of Theistic Arguments

2. history of moral arguments for god’s existence, 3. theoretical moral arguments for god’s existence and divine command theories of moral obligation, 4. arguments from moral knowledge or awareness, 5. arguments from human dignity or worth, 6. practical moral arguments for belief in god, 7. conclusion, other internet resources, related entries.

Before attempting to explain and assess moral arguments for the existence of God, it would be helpful to have some perspective on the goals of arguments for God’s existence. (We shall generically term arguments for God’s existence “theistic arguments.”) Of course views about this are diverse, but most contemporary proponents of such arguments do not see theistic arguments as attempted “proofs,” in the sense that they are supposed to provide valid arguments with premises that no reasonable person could deny. Such a standard of achievement would clearly be setting the bar for success very high, and proponents of theistic arguments rightly note that philosophical arguments for interesting conclusions in any field outside of formal logic hardly ever reach such a standard.

More reasonable questions to ask about theistic arguments would seem to be the following: Are there valid arguments for the conclusion that God exists that have premises that are known or reasonably believed by some people? Are the premises of such arguments more reasonable than their denials, at least for some reasonable people? Arguments that meet these standards could have value in making belief in God reasonable for some people, or even giving some people knowledge of God’s existence, even if it turns out that some of the premises of the arguments can be reasonably denied by other people, and thus that the arguments fail as proofs.

A major issue that cannot be settled here concerns the question of where the burden of proof lies with respect to theistic arguments. Many secular philosophers follow Antony Flew (1976) in holding that there is a “presumption of atheism.” On this view, believing in God is like believing in the Loch Ness Monster or leprechauns, something that reasonable people do not do without sufficient evidence. If such evidence is lacking, the proper stance is atheism rather than agnosticism.

This “presumption of atheism” has been challenged in a number of ways. Alvin Plantinga (2000) has argued that reasonable belief in God does not have to be based on propositional evidence, but can be “properly basic.” On this view, reasonable belief in God can be the outcome of a basic faculty (called the sensus divinitatis by theologian John Calvin) and thus needs no support from arguments at all. In response some would argue that even if theistic belief is not grounded in propositional evidence, it still might require non-propositional evidence (such as experience), so it is not clear that Plantinga’s view by itself removes the burden of proof challenge.

A second way to challenge the presumption of atheism is to question an implicit assumption made by those who defend such a presumption, which is that belief in God is epistemologically more risky than unbelief. The assumption might be defended in the following way: One might think that theists and atheists share a belief in many entities: atoms, middle-sized physical objects, animals, and stars, for example. Someone, however, who believes in leprechauns or sea monsters in addition to these commonly accepted objects thereby incurs a burden of proof. Such a person believes in “one additional thing” and thus seems to incur additional epistemological risk. One might think that belief in God is relevantly like belief in a leprechaun or sea monster, and thus that the theist also bears an additional burden of proof. Without good evidence in favor of belief in God the safe option is to refrain from belief.

However, the theist may hold that this account does not accurately represent the situation. Instead, the theist may argue that the debate between atheism and theism is not simply an argument about whether “one more thing” exists in the world. In fact, God is not to be understood as an entity in the world at all; any such entity would by definition not be God. The debate is rather a debate about the character of the universe. The theist believes that every object in the natural world exists because God creates and conserves that object; every finite thing has the character of being dependent on God. The atheist denies this and affirms that the basic entities in the natural world have the character of existing “on their own.”

If this is the right way to think about the debate, then it is not obvious that atheism is safer than theism. The debate is not about the existence of one object, but the character of the universe as a whole. Both parties are making claims about the character of everything in the natural world, and both claims seem risky. This point is especially important in dealing with moral arguments for theism, since one of the questions raised by such arguments is the adequacy of a naturalistic worldview in explaining morality. Such accounts need to explain without watering the categories of morality down or otherwise domesticating them and thereby depriving them of their most interesting features. Evidentialists may properly ask about the evidence for theism, but it also seems proper to ask about the evidence for atheism if the atheist is committed to a rival metaphysic such as naturalism.

Something that resembles a moral argument for God’s existence, or at least an argument from value, can be found in the fourth of Thomas Aquinas’s “Five Ways” (Aquinas 1265–1274, I, 1, 3). Aquinas there begins with the claim that among beings who possess such qualities as “good, true, and noble” there are gradations. Presumably he means that some things that are good are better than other good things; perhaps some noble people are nobler than others who are noble. In effect Aquinas is claiming that when we “grade” things in this way we are, at least implicitly, comparing them to some absolute standard. Aquinas believes this standard cannot be merely “ideal” or “hypothetical,” and thus this gradation is only possible if there is some being which has this quality to a “maximum” extent: “so that there is something which is truest, something best, something noblest and, consequently, something which is uttermost being; for those things that are greatest in truth are greatest in being, as it is written in Metaph. Ii.” Aquinas goes on to affirm that this being which provides the standard is also the cause or explanation of the existence of these qualities, and such a cause must be God. Obviously, this argument draws deeply on Platonic and Aristotelian assumptions that are no longer widely held by philosophers. For the argument to be plausible today, such assumptions would have to be defended, or else the argument reformulated in a way that frees it from its original metaphysical home.

Probably the most influential versions of the moral argument for belief in God can be traced to Kant (1788 [1956]), who famously argued that the theoretical arguments for God’s existence were unsuccessful, but presented a rational argument for belief in God as a “postulate of practical reason.” Kant held that a rational, moral being must necessarily will “the highest good,” which consists of a world in which people are both morally good and happy, and in which moral virtue is the condition for happiness. The latter condition implies that this end must be sought solely by moral action. However, Kant held that a person cannot rationally will such an end without believing that moral actions can successfully achieve such an end, and this requires a belief that the causal structure of nature is conducive to the achievement of this end by moral means. This is equivalent to belief in God, a moral being who is ultimately responsible for the character of the natural world. Kant’s arguments will be discussed later in this article.

Kant-inspired arguments were prominent in the nineteenth century, and continued to be important right up to the middle of the twentieth century. Such arguments can be found, for example, in W. R. Sorley (1918), Hastings Rashdall (1920), and A. E. Taylor (1945/1930). Although Henry Sidgwick was not himself a proponent of a moral argument for God’s existence, some have argued that his thought presents the materials for such an argument (see Walls and Baggett 2011). In the nineteenth century John Henry Newman (1870) also made good use of a moral argument in his case for belief in God, developing what could be called an argument from conscience.

Besides those luminaries from the history of the moral argument, several other figures made contributions of various sorts to the discussion, including Arthur Balfour (1915), Andrew Seth Pringle-Pattison (1920), Clement Webb (2012), W. G. de Burgh (1938), W. R. Matthews (1921), Austin Farrer (2012), and H. P. Owen (1965). A chronicle of much of this history was published by Walls and Baggett (2019). Recovering such history is a helpful antidote to the ahistorical character of much contemporary analytic philosophy.

In recent philosophy there has been a revival of divine command metaethical theories, which has in turn led to new versions of the moral argument found in such thinkers as Robert Adams (1987), John Hare (1996), and C. Stephen Evans (2010). Work on divine command theory, both in favor and against, has experienced a recent resurgence of interest. This work has encompassed both motivations for and formulations of divine command theory, as well as extensive discussion of both old and new objections to it.

However, it is important to see that there are versions of the moral argument for God’s existence that are completely independent of such a divine command theory, and this possibility can be seen in arguments developed by Angus Ritchie (2012) and Mark Linville (2009). Perhaps the most extensive and developed account of a moral argument for God’s existence in recent philosophy is found in David Baggett and Jerry L. Walls (2016). This book examines a comprehensive cumulative form of moral argument and extensively explores underlying issues. It goes without saying that these renewed arguments have engendered new criticisms as well. Theoretical moral arguments for God’s existence can be understood as variations on the following template:

There are objective moral facts.
God provides the best explanation of the existence of objective moral facts.
Therefore, (probably) God exists.

As we shall see, there are a variety of features of morality that can be appealed to in the first steps of the arguments, as well as a variety of ways in which God might be thought to provide an explanation of those features in the second steps. The use of the somewhat vague phrase “objective moral facts” is intended to allow for this variety in Premise 1. The similarly vague notion of God providing the best explanation of such facts allows for the variety of ways moral features may depend on God—divine commands one salient option among them. Both types of premises are obviously open to challenge. For example, the first premise of such an argument can be challenged by popular metaethical views that see morality as “subjective,” or “expressive,” rather than something that consists of objective facts. Moral skeptics and “error theorists” also challenge the first premise. The second premise can be challenged on the basis of rival explanations of the features of morality, explanations that do not require God. Arguments about the second premise then may require comparison between theistic explanations of morality and these rival views, with an attentive eye on the relevant evidence in need of explanation.

It is easy to see then that the proponent of a moral argument has a complex task: She must defend the reality and objectivity of the feature of morality appealed to, but also defend the claim that this feature can be best explained by God. The second part of the task may require not only demonstrating the strengths of a theistic explanation, but pointing out weaknesses in rival secular explanations as well. Both parts of the task are essential, but it is worth noting that the two components cannot be accomplished simultaneously. The theist must defend the reality of morality against subjectivists, constructivists, and “moral nihilists.” Assuming that this task has been carried out, the theist must then try to show that morality thus understood requires or at least is most plausibly understood by a theistic explanation.

It is interesting to observe, however, that with respect to both parts of the task, the theist may enlist non-theists as allies. The theist may well make common cause with ethical naturalists as well as ethical non-naturalists in defending moral realism against “projective” theories such as expressivism. However, the theist may also enlist the support of error theorists such as J. L. Mackie (1977), and moral nihilists such as Friedrich Nietzsche (1887) in arguing that God is necessary for objective morality. Nietzsche, for example, explicitly holds that God does not exist, but also claims that God’s non-existence undermines the reality of traditional western morality. The fact that theists can enlist such unlikely allies does not mean the moral argument for God’s existence is sound, but it does suggest that the argument is not obviously question-begging, since both premises are sometimes accepted by (different) non-believers.

One easily understandable version of a theistic moral argument relies on an analogy between human laws promulgated by nation-states and moral laws. Sovereign states enact laws that make certain acts forbidden or required. If I am a U. S. citizen, and I earn more than a small amount of money I am obligated to file an income tax return each year. I am also forbidden, because of the laws that hold in the United States, to discriminate in hiring on the basis of sex, age, or race. Many people believe that there are moral laws that bind individuals in the same way that political laws do. I am obligated by a moral principle not to lie to others, and I am similarly obligated to keep promises that I have made. (Both legal and moral laws may be understood as holding prima facie , so that in some situations a person must violate one law in order to obey a more important one.)

We know how human laws come into existence. They are enacted by legislatures (or absolute monarchs in some countries) who have the authority to pass such laws. How then should the existence of moral laws be explained? It seems plausible to many to hold that they must be similarly grounded in some appropriate authority, and the or best candidate to fulfill this role is God. Some philosophers have dismissed an argument of this type as “crude,” presumably because its force is so obvious that no special philosophical training is necessary to understand it and see its appeal. The fact that one can understand the argument without much in the way of philosophical skill is not necessarily a defect, however. If one supposes that there is a God, and that God wants humans to know him and relate to him, one would expect God to make his reality known to humans in very obvious ways (See Evans 2010). After all, critics of theistic belief, such as J. L. Schellenberg (1993), have argued that the fact that God’s reality is not obvious to those who would like to believe in God is a grave problem. If an awareness of moral obligations is in fact an awareness of God’s commands or divine laws, then the ordinary person who is aware of moral obligations does have a kind of awareness of God. Of course such a person might be aware of God’s laws without realizing that they are God’s laws; she might be aware of God’s commands without being aware of them under that description. The religious apologist might view such a person as already having a kind of de re awareness of God, because a moral obligation is simply an expression of God’s will (or God’s command or motivation, preference or desire).

How can such an awareness be converted into full-fledged belief in God? One way of doing this would be to help the person gain the skills needed to recognize moral laws as what they are, as divine commands or divine laws. If moral laws are experienced, then moral experience could be viewed as a kind of religious experience or at least a proto-religious experience. Perhaps someone who has experience of God in this way does not need a moral argument (or any kind of argument) to have a reasonable belief in God. This may be one instance of the kind of case that Alvin Plantinga (2000) and the “Reformed epistemologists” have in mind when they claim that belief in God can be “properly basic.” It is worth noting then that there could be such a thing as knowledge of God that is rooted in moral experience without that knowledge being the result of a moral argument .

Even if that is the case, however, a moral argument could still play a valuable role. Such an argument might be one way of helping an individual understand that moral obligations are in fact divine commands or laws. Even if it were true that some ordinary people might know that God exists without argument, an argument could be helpful in defending the claim that this is the case. A person might conceivably need an argument for the second-level claim that the person knows God without argument.

In any case a divine command metaethical theory provides the material for such an argument. The revival of divine command theories (DCT) of moral obligation is due mainly to the work of Philip Quinn (1979/1978) and Robert Adams (1999). Adams’ version of a DCT has been particularly influential and is well-suited for the defense of the claim that moral knowledge can provide knowledge of God. Adams’ version of a DCT is an account of moral obligations and it must be distinguished from more general “voluntarist” views of ethics that try to treat other moral properties (such as the good) as dependent on God’s will. As explained below, by limiting the theory to obligations, Adams avoids the standard “ Euthyphro ” objection, which claims that divine command views reduce ethics to arbitrariness.

Adams’ account of moral obligations as divine commands rests on a more general social theory of obligations. There are of course many types of obligations: legal obligations, financial obligations, obligations of etiquette, and obligations that hold in virtue of belonging to some club or association, to name just a few. Clearly these obligations are distinct from moral obligations, since in some cases moral obligations can conflict with these other kinds. What is distinctive about obligations in general? They are not reducible simply to normative claims about what a person has a good reason to do.

J. S. Mill (1874, 164–165) argued that we can explain normative principles without making any reference to God. He contends that the “feeling of obligation” stems from “something that the internal conscience bears witness to in its own nature,” and thus the moral law, unlike human laws, “does not originate in the will of a legislator or legislature external to the mind.” Doubtless Mill had in mind here such normative logical principles as “it is wrong to believe both p and not-p at the same time.” Mill argues that such normative principles hold without any requirement for an “authority” to be their ground, and he thinks this is plausible for the case of moral principles as well. Mill’s view is plausible at least for some normative principles, though some theists have argued that metaphysical naturalists have difficulty in explaining any kind of normativity (see Devine 1989, 88–89). However, even if Mill is correct about normativity in general, it does not follow that his view is correct for moral obligations, which have a special character. An obligation has a special kind of force; we should care about complying with it, and violations of obligations appropriately incur blame (Adams 1999, 235). If I make a logical mistake, I may feel silly or stupid or embarrassed, but I have no reason to feel guilty, unless the mistake reflects some carelessness on my part that itself constitutes a violation of a moral obligation. Adams argues that “facts of obligation are constituted by broadly social requirements.” (ibid, 233) For example, the social role of parenting is partly constituted by the obligations one assumes by becoming a parent, and the social role of citizen is partly constituted by the obligations to obey the laws of the country in which one is a citizen.

All obligations are then constituted by social requirements, according to Adams. However, not all obligations constituted by social requirements are moral obligations. What social relation could be the basis of moral obligations? Adams argues that not just any human social relation will possess the requisite authority: “A morally valid obligation obviously will not be constituted by just any demand sponsored by a system of social relationships that one in fact values. Some such demands have no moral force, and some social systems are downright evil.” (ibid, 242) If a good and loving God exists and has created all humans, then the social relation humans have to God has the right features to explain moral obligations. For if moral obligations stem from God’s requirements, they will be objective, but they will also be motivating, since a relation to God would clearly be a great good that humans would have reason to value. Since a proper relation to God is arguably more important than any other social relation, we can also understand why moral obligations trump other kinds of obligations. On this view we can also explain why moral obligations have a transcendent character, which is important because “a genuinely moral conception of obligation must have resources for moral criticism of social systems and their demands.” (ibid, 242–243)

Notice that the DCT Adams defends in his later work is ontological rather than semantic: it is a claim that moral obligations are in fact identical with divine commands, not a claim that “moral obligations” has the same meaning as “divine commands.” On his account, applying the work of direct reference theorists like Hilary Putnam and Saul Kripke to the arena of ethics, the meaning of “moral obligation” is fixed by the role this concept plays in our language. That role includes such facts as these: Moral obligations must be motivating and objective. They also must provide a basis for critical evaluation of other types of obligations, and they must be such that someone who violates a moral obligation is appropriately subject to blame. Adams argues that it is divine commands that best satisfy these desiderata. God’s existence thus provides the best explanation of moral obligations. If moral obligations are identical with divine commands (or perhaps if they are grounded in or caused to exist by divine commands) an argument for God’s existence from such obligations can easily be constructed:

There are objective moral obligations.
If there are objective moral obligations, there is a God who explains these obligations.
There is a God.

This argument is stated in a deductive form, but it can easily be reworded as a probabilistic “argument to the best explanation,” as follows:

God provides the best explanation of the existence of moral obligations.
Probably, God exists.

Obviously, those who do not find a DCT convincing will not think this argument from moral obligation has force. However, Adams anticipates and gives a forceful answer to one common criticism of a DCT. It is often argued that a DCT must fail because of a dilemma parallel to one derived from Plato’s Euthyphro . The dilemma for a DCT can be derived from the following question: Assuming that God commands what is right, does he command what is right because it is right (assuming that “right” here means “morally required” and not just “morally permissible.”)? If the proponent of a DCT answers affirmatively, then it appears the quality of rightness must hold antecedently to and thus independently of God’s commands. If, however, the proponent denies that God commands what is right because it is right, then God’s commands appear arbitrary. Adams’ version of a DCT evades this dilemma by invoking the good/right distinction and holding that God is essentially good and that his commands are necessarily aimed at the good. This allows Adams to claim that God’s commands make actions obligatory (or forbidden), while denying that the commands are arbitrary in any problematic sense.

Although Adams’ version of a DCT successfully meets this “ Euthyphro ” objection, there are other powerful criticisms that have been mounted against this metaethical theory in the literature. These objections can be found in the writings of Wes Morriston (2009, 2016), Erik Wielenberg (2005, especially part 3, 2014, and chapter 2, 2020), Oppy (2014, especially ch. 3), and Nicholas Wolterstorff (2007), among others. Besides arbitrariness, objections raised against DCT include autonomy objections, a variety of epistemic objections, a psychopathy objection, supervenience objections, prior obligations objection, and other Euthyphro objections, which include grounding, vacuity, and counterpossible objections.

Wielenberg explicitly defends as an alternative to divine command metaethics a view he calls “godless normative realism.” This is essentially the view that moral truths are basic or fundamental in character, not derived from natural facts or any more fundamental metaphysical facts. It thus seems similar to the view often called “ethical non-naturalism.” This view certainly provides a significant alternative to divine command metaethics. However, it is worth noting that some of the criticisms that metaphysical naturalists have against theistic metaethics may apply to Wielenberg’s view as well. Specifically, philosophers such as J. L. Mackie (1977) find non-natural ethical qualities of any kind “queer” since they are so unlike the realities discovered by science. The “brute moral facts” posited by Wielenberg as necessary truths seem vulnerable to this same criticism. In fact, the criticism may be sharper against Wielenberg’s view than against theistic views, since ethical truths may appear less odd in a universe that is ultimately grounded in a person. Responses to the objections of Wielenberg, Morriston, and others have also been given (see Evans 2013, Baggett and Walls, 2011, 2016, Flannagan, 2017, 2021a, 2021, Pruss, 2009, Davis and Franks, 2015). Clearly the version of a moral argument for God’s existence that rests on divine command theory will only be judged powerful by those who find a DCT plausible, and that will certainly be a minority of philosophers. (Although it is worth noting that no single metaethical theory seems to enjoy widespread support among philosophers, so a DCT is not alone in being a minority view.) Nevertheless, those who do find a DCT powerful will also see moral obligations as providing strong evidence for God’s reality.

A variety of arguments have been developed that God is necessary to explain human awareness of moral truth (or moral knowledge, if one believes that this moral awareness amounts to knowledge). Richard Swinburne (2004, 218), for example, argues that there is no “great probability that moral awareness will occur in a Godless universe.” On Swinburne’s view, moral truths are either necessary truths or contingent truths that are grounded in necessary truths. For example, it is obviously contingent that “It is wrong to drop an atomic bomb on Hiroshima,” since it is contingent that there exists a city such as Hiroshima. But one might hold that this proposition is true (assuming it is) because of some other truth such as “It is wrong intentionally to kill innocent humans” which does hold universally and is necessarily true. Swinburne does not think that an argument to God’s existence from moral facts as such is powerful, increasing the likelihood of theism only a little. However, the fact that we humans are aware of moral facts is itself surprising and calls for an explanation.

It may be true that creatures who belong to groups that behave altruistically will have some survival advantage over groups that lack such a trait. However, moral beliefs are not required in order to produce such behavior, since it is clear that “there are many species of animals that are naturally inclined to help others of their species, and yet do not have moral beliefs.” (Swinburne 2004, 217) If God exists, he has “significant reason to bring about conscious beings with moral awareness,” since his intended purpose for humans includes making it possible for them freely to choose good over evil, since this will make it possible for them to develop a relation to God. Swinburne does not think that this argument provides very strong evidence for God’s existence by itself, but rather that it provides some inductive support for belief in God. It is one of several phenomena which seem more probable in a theistic universe than in a godless universe. As we consider more and more such phenomena, it will be increasingly improbable that “they will all occur.” (ibid, 218) All of these inductive arguments together may then provide substantial support for theistic belief, even if no one of them by itself would be sufficient for rational belief by demonstrating that theism is likely true.

Swinburne’s version of the argument is quite brief and undeveloped, but some claims that could be used to support a more developed version of the argument (one that will be described below) can be found in a well-known and much cited article by Sharon Street (2006). Street’s argument, as the title implies, is in no way intended to support a moral argument for theism. To the contrary, her purpose is to defend anti-realist metaethical theories against realist theories that view moral truth as “stance-independent” of human attitudes and emotions. Street presents the moral realist with a dilemma posed by the question as to how our human evaluative beliefs are related to human evolution. It is clear, she believes, that evolution has strongly shaped our evaluative attitudes. The question concerns how those attitudes are related to the objective evaluative truths accepted by the realist. If the realist holds that there is no relation between such truths and our evaluative attitudes, then this implies that “most of our evaluative judgments are off track due to the distorting influence of Darwinian processes.” The other alternative for the realist is to claim that there is a relationship, and thus that is not an accident or miracle that our evaluative beliefs track the objective truths. However, this view, Street claims, is scientifically implausible. Street argues therefore that an evolutionary story about how we came to make the moral judgments we make undermines confidence in the objective truth of those judgments. Street’s argument is of course controversial and thinkers such as Erik Wielenberg (2014) have argued against evolutionary debunking arguments. Still, many regard such arguments as problematic for those who want to defend moral realism, particularly when developed as a “global” argument (Kahane, 2010).

Street’s argument has also been challenged by such critics as Russ Shafer-Landau (2012). However, her argument, and similar arguments, have been acknowledged by some moral realists, such as David Enoch (2011) and Erik Wielenberg (2014) to pose a significant problem for their view. Enoch, for example, even though he offers a response to Street’s argument, evidently has some worries about the strength of his reply. Wielenberg, to avoid the criticism that in a non-theistic universe it would be extremely lucky if evolution selected for belief in objectively true moral values, proposes that the natural laws that produce this result may be metaphysically necessary, and thus there is no element of luck. However, many philosophers will see this view of natural laws as paying a heavy price to avoid theism. It might appear that Street is arguing straightforwardly that evolutionary theory makes it improbable that humans would have objective moral knowledge. However, it is not evolution by itself that predicts the improbability of objective moral knowledge, but the conjunction of evolution and metaphysical naturalism. A good deal of the force of Street’s argument stems from the assumption that naturalism is true, and therefore that the evolutionary process is one that is unguided. Since it is not evolution by itself that poses a challenge to moral realism but the conjunction of evolution and metaphysical naturalism, then rejecting naturalism provides one way for the moral realist to solve the problem. It does appear that in a naturalistic universe we would expect a process of Darwinian evolution to select for a propensity for moral judgments that track survival and not objective moral truths. Mark Linville (2009, 391–446) has developed a detailed argument for the claim that it is difficult for metaphysical naturalists to develop a plausible evolutionary story as to how our moral judgments could have epistemological warrant. However, if we suppose that the evolutionary process has been guided by God, who has as one of his goals the creation of morally significant human creatures capable of enjoying a relation with God, then it would not seem at all accidental or even unlikely that God would ensure that humans have value beliefs that are largely correct.

Some philosophers believe that the randomness of Darwinian natural selection rules out the possibility of any kind of divine guidance being exercised through such a process. Some thinkers, including both some atheists and some proponents of what is called “creation science,” believe that evolution and God are rivals, mutually exclusive hypotheses about the origins of the natural world. What can be explained scientifically needs no religious explanation. However, this is far from obviously true; in fact, if theism is true it is clearly false. From a theistic perspective to think that God and science provide competing explanations fails to grasp the relationship between God and the natural world by conceiving of God as one more cause within that natural world. If God exists at all, God is not an entity within the natural world, but the creator of that natural world, with all of its causal processes. If God exists, God is the reason why there is a natural world and the reason for the existence of the causal processes of the natural world. In principle, therefore, a natural explanation can never preclude a theistic explanation. Any argument that natural explanations preclude or are in tension with theistic explanations will in fact be theological in character, since they will be grounded in assumptions about the kind of world God would create.

But what about the randomness that is a crucial part of the Darwinian story? The atheist might claim that because evolutionary theory posits that the process by which plants and animals have evolved is one that involves random genetic mutations, it cannot be guided, and thus God cannot have used evolutionary means to achieve his ends. However, this argument fails. It depends on an equivocation in what is meant by “random.” When scientists claim that genetic mutations are random, they do not mean that they are uncaused, or even that they are unpredictable from the point of view of biochemistry, but only that the mutations do not happen in response to the adaptational needs of the organism. It is entirely possible for a natural process to include randomness in that sense, even if the whole natural order is itself created and sustained by God. The sense of “randomness” required for evolutionary theory does not imply that the evolutionary process must be unguided. A God who is responsible for the laws of nature and the initial conditions that shape the evolutionary process could certainly ensure that the process achieved certain ends.

Like the other moral arguments for God’s existence, the argument from moral knowledge can easily be stated in a propositional form, and I believe Swinburne is right to hold that the argument is best construed as a probabilistic argument that appeals to God as providing a better explanation of moral knowledge than is possible in a naturalistic universe.

Humans possess objective moral knowledge.
Probably, if God does not exist, humans would not possess objective moral knowledge.

There is a kind of argument from moral knowledge also implicit in Angus Ritchie’s book From Morality to Metaphysics: The Theistic Implications of our Ethical Commitments (2012). Ritchie presses a kind of dilemma on non-theistic accounts of morality. Subjectivist theories such as expressivism can certainly make sense of the fact that we make the ethical judgments we do, but they empty morality of its objective authority. Objectivist theories that take morality seriously, however, have difficulty explaining our capacity to make true moral judgments, unless the process by which humans came to hold these capacities is one that is controlled by a being such as God.

The moral argument from knowledge will not be convincing to anyone who is committed to any form of expressivism or other non-objective metaethical theory, and clearly many philosophers find such views attractive. And there will surely be many philosophers who will judge that if moral objectivism implies theism or requires theism to be plausible, this is a reductio of objectivist views. Furthermore, non-theistic moral philosophers, whether naturalists or non-naturalists, have stories to tell about how moral knowledge might be possible. Nevertheless, there are real questions about the plausibility of these stories, and thus, some of those convinced that moral realism is true may judge that moral knowledge provides some support for theistic belief.

Many philosophers find Immanuel Kant’s moral philosophy still offers a fruitful approach to ethics. Of the various forms of the “categorical imperative” that Kant offers, the formula that regards human beings as “ends in themselves” is especially attractive: “Act in such a way that you always treat humanity, whether in your own person or in the person of any other, never simply as a means, but always at the same time as an end” (Kant 1785 [1964], 96). Many contemporary moral philosophers influenced by Kant, such as Christine Korsgaard (1996), see Kant as offering a “constructivist” metaethical position. Constructivism is supposed to offer a “third way” between moral realism and subjectivist views of morality. Like subjectivists, constructivists want to see morality as a human creation. However, like moral realists constructivists want to see moral questions as having objective answers. Constructivism is an attempt to develop an objective morality that is free of the metaphysical commitments of moral realism.

It is, however, controversial whether Kant himself was a constructivist in this sense. One reason to question whether this is the right way to read Kant follows from the fact that Kant himself did not see morality as free from metaphysical commitments. For example, Kant thought that it would be impossible for someone who believed that mechanistic determinism was the literal truth about himself to believe that he was a moral agent, since morality requires an autonomy that is incompatible with determinism. To see myself as a creature who has the kind of value Kant calls “dignity” I must not see myself merely as a machine-like product of the physical environment. Hence Kant thought that it was crucial for morality that his Critical Philosophy had shown that the deterministic perspective on humans is simply part of the “phenomenal world” that is the object of scientific knowledge, not the “noumenal reality” that it would be if some kind of scientific realism were the true metaphysical view. When we do science we see ourselves as determined, but science tells us only how the world appears, not how it really is. Recognizing this fact suggests that when Kant posits that humans have this intrinsic value he calls dignity, he is not “constructing” the value humans have, but recognizing the value beings of a certain kind must have. Humans can only have this kind of value if they are a particular kind of creature. Whether Kant himself was a moral realist or not, there are certainly elements in his philosophy that push in a realist direction.

If the claim that human persons have a kind of intrinsic dignity or worth is a true objective principle and if it provides a key foundational principle of morality, it is well worth asking what kinds of metaphysical implications the claim might have. This is the question that Mark Linville (2009, 417–446) pursues in the second moral argument he develops. Linville begins by noting that one could hardly hold that “human persons have intrinsic dignity” could be true if human persons do not exist. Clearly, some metaphysical positions do include a denial of the existence of human persons, such as forms of Absolute Monism which hold that only one Absolute Reality exists. However, it also seems to be the case that some forms of Scientific Naturalism are committed to the denial of “ persons as substantive selves that essentially possess a first-person point of view” (See Dennett 2006, 107). Daniel Dennett, for example, holds that persons will not be part of the ultimately true scientific account of things. Dennett holds that to think of humans as persons is simply to adopt a certain “stance” toward them that he calls the “intentional stance,” but it is clear that the kind of picture of humans we get when we think of them in this way does not correspond with their intrinsic metaphysical properties. It is not clear how systems towards which we adopt an “intentional stance” could be truly autonomous and thus have the kind of value Kant believes human persons have.

The argument from human dignity could be put into propositional form as follows:

Human persons have a special kind of intrinsic value that we call dignity.
The only (or best) explanation of the fact that humans possess dignity is that they are created by a supremely good God in God’s own image.
Probably there is a supremely good God.

A naturalist may want to challenge premise (2) by finding some other strategy to explain human dignity. Michael Martin (2002), for example, has tried to suggest that moral judgments can be analyzed as the feelings of approval or disapproval of a perfectly impartial and informed observer. Linville (2009) objects that it is not clear how the feelings of such an observer could constitute the intrinsic worth of a person, since one would think that intrinsic properties would be non-relational and mind-independent. In any case, Linville notes that a “Euthyphro” problem lurks for such an ideal observer theory, since one would think that such an observer would judge a person to be intrinsically valuable because the person has intrinsic value.

Another strategy that is pursued by constructivists such as Korsgaard is to link the value ascribed to humans to the capacity for rational reflection. The idea is that insofar as I am committed to rational reflection, I must value myself as having this capacity, and consistently value others who have it as well. A similar strategy is found in Wielenberg’s form of ethical non-naturalism, since Wielenberg argues that it is necessarily true that any being with certain reflective capacities will have moral rights (Wielenberg, 2014, chapter 4). It is far from clear that human rationality provides an adequate ground for moral rights, however. Many people believe that young infants and people suffering from dementia still have this intrinsic dignity, but in both cases there is no capacity for rational reflection.

Some support for this criticism of the attempt to see reason as the basis of the value of humans can be found in Nicholas Wolterstorff’s recent work on justice (2007, especially Ch. 8). Wolterstorff in this work defends the claim that there are natural human rights, and that violating such rights is one way of acting unjustly towards a person. Why do humans have such rights? Wolterstorff says these rights are grounded in the basic worth or dignity that humans possess. When I seek to torture or kill an innocent human I am failing to respect this worth. If one asks why we should think humans possess such worth, Wolterstorff argues that the belief that humans have this quality was not only historically produced by Jewish and Christian conceptions of the human person, but even now cannot be defended apart from such a conception. In particular, he argues that attempts to argue that our worth stems from some excellence we possess such as reason will not explain the worth of infants or those with severe brain injuries or dementia.

Does a theistic worldview fare better in explaining the special value of human dignity? In a theistic universe God is himself seen as the supreme good. Indeed, theistic Platonists usually identify God with the Good. If God is himself a person, then this seems to be a commitment to the idea that personhood itself is something that must be intrinsically good. If human persons are made in God’s image, as both Judaism and Christianity affirm, then it would seem to follow that humans do have a kind of intrinsic value, just by way of being the kind of creatures they are.

This argument will of course be found unconvincing to many. Some will deny premise (1), either because they reject moral realism as a metaethical stance, or because they reject the normative claim that humans have any kind of special value or dignity. (Maybe they will even think that such a claim is a form of “speciesism.”). Others will find premise (2) suspect. They may be inclined to agree that human persons have a special dignity, but hold that the source of that dignity can be found in such human qualities as rationality. With respect to the status of infants and those suffering from dementia, the critic might bite the bullet and just accept the fact that human dignity does not extend to them, or else argue that the fact that infants and those suffering mental breakdown are part of a species whose members typically possess rationality merits them a special respect, even if they lack this quality as individuals. Others will find premise (2) doubtful because they find the theistic explanation of dignity unclear. Another alternative is to seek a Constructivist account of dignity, perhaps regarding the special status of humans as something we humans decide to extend to each other. Perhaps the strongest non-theistic alternative would be some form of ethical non-naturalism, in which one simply affirms that the claim that persons have a special dignity is an a priori truth requiring no explanation. In effect this is a decision for a non-theistic form of Platonism.

The proponent of the argument may well agree that claims about the special status of humans are true a priori , and thus also opt for some form of Platonism. However, the proponent of the argument will point out that some necessary truths can be explained by other necessary truths. The theist believes that these truths about the special status of humans tell us something about the kind of universe humans find themselves in. To say that humans are created by God is to say that personhood is not an ephemeral or accidental feature of the universe, because at bottom reality itself is personal (Mavrodes 1986).

As already noted, the most famous and perhaps most influential version of a moral argument for belief in God is found in Immanuel Kant (1788). Kant himself insisted that his argument was not a theoretical argument, but an argument grounded in practical reason. The conclusion of the argument is not “God exists” or “God probably exists” but “I (as a rational, moral agent) ought to believe that God exists.” We shall, however, see that there are some reasons to doubt that practical arguments can be neatly separated from theoretical arguments.

Kant’s version of the argument can be stated in different ways, but perhaps the following captures one plausible interpretation of the argument. Morality is grounded in pure practical reason, and the moral agent must act on the basis of maxims that can be rationally endorsed as universal principles. Moral actions are thus not determined by results or consequences but by the maxims on which they are based. However, all actions, including moral actions, necessarily aim at ends. Kant argues that the end that moral actions aim at is the “highest good,” which is a world in which both moral virtue and happiness are maximized, with happiness contingent on virtue. For Kant “ought implies can,” and so if I have an obligation to seek the highest good, then I must believe that it is possible to achieve such an end. However, I must seek the highest good only by acting in accordance with morality; no shortcuts to happiness are permissible. This seems to require that I believe that acting in accordance with morality will be causally efficacious in achieving the highest good. However, it is reasonable to believe that moral actions will be causally efficacious in this way only if the laws of causality are set up in such a way that these laws are conducive to the efficacy of moral action. Certainly both parts of the highest good seem difficult to achieve. We humans have weaknesses in our character that appear difficult if not impossible to overcome by our own efforts. Furthermore, as creatures we have subjective needs that must be satisfied if we are happy, but we have little empirical reason to think that these needs will be satisfied by moral actions even if we succeeded in becoming virtuous. If a person believes that the natural world is simply a non-moral machine with no moral purposiveness then that person would have no reason to believe that moral action could succeed because there is no a priori reason to think moral action will achieve the highest good and little empirical reason to believe this either. Kant thus concludes that a moral agent must “postulate” the existence of God as a rational presupposition of the moral life.

One problem with this argument is that many will deny that morality requires us to seek the highest good in Kant’s sense. Even if the Kantian highest good seems reasonable as an ideal, some will object that we have no obligation to achieve such a state, but merely to work towards realizing the closest approximation to such a state that is possible (See Adams 1987, 152). Without divine assistance, perhaps perfect virtue is unachievable, but in that case we cannot be obliged to realize such a state if there is no God. Perhaps we cannot hope that happiness will be properly proportioned to virtue in the actual world if God does not exist, but then our obligation can only be to realize as much happiness as can be attained through moral means. Kant would doubtless reject this criticism, since on his view the ends of morality are given directly to pure practical reason a priori , and we are not at liberty to adjust those ends on the basis of empirical beliefs. However, few contemporary philosophers would share Kant’s confident view of reason here, and thus to many the criticism has force. Even Kant admits at one point that full-fledged belief in God is not rationally necessary, since one could conceivably seek the highest good if one merely believes that God’s existence is possible (Kant, 1781–1787, 651).

Another way of interpreting Kant’s argument puts more stress on the connection between an individual’s desire for happiness and the obligation to do what is morally right. Morality requires me to sacrifice my personal happiness if that is necessary to do what is right. Yet it is a psychological fact that humans necessarily desire their own happiness. In such a state it looks as if human moral agents will be torn by what Henry Sidgwick called the “dualism of the practical reason” (1884, 401). Reason both requires humans to seek their own happiness and to sacrifice it. Sidgwick himself noted that only if there is a God can we hope that this dualism will be resolved, so that those who seek to act morally will in the long run also be acting so as to advance their own happiness and well-being. (Interestingly, Sidgwick himself does not endorse this argument, but he clearly sees this problem as part of the appeal of theism.) A contemporary argument similar to this one has been developed by C. Stephen Layman (2002).

The critic of this form of the Kantian argument may reply that Kantian morality sees duty as something that must be done regardless of the consequences, and thus a truly moral person cannot make his or her commitment to morality contingent on the achievement of happiness. From a Kantian point of view, this reply seems right; Kant unequivocally affirms that moral actions must be done for the sake of duty and not from any desire for personal reward. Nevertheless, especially for any philosopher willing to endorse any form of eudaimonism, seeing myself as inevitably sacrificing what I cannot help but desire for the sake of duty does seem problematic. As John Hare affirms, “If we are to endorse wholeheartedly the long-term shape of our lives, we have to see this shape as consistent with our happiness” (1996, 88).

The critic may reply to this by simply accepting the lamentable fact that there is something tragic or even absurd about the human condition. The world may not be the world we wish it was, but that does not give us any reason to believe it is different from what it is. If there is a tension between the demands of morality and self-interest, then this may simply be a brute fact that must be faced.

This reply raises an issue for all forms of practical or pragmatic arguments for belief. Many philosophers insist that rational belief must be grounded solely in theoretical evidence. The fact that it would be better for me to believe p does not in itself give me any reason to believe p. This criticism is aimed not merely at Kant, but at other practical moral arguments. For example, Robert Adams argues that if humans believe there is no moral order to the universe, then they will become demoralized in their pursuit of morality, which is morally undesirable (1987, 151). The atheist might concede that atheism is (somewhat) demoralizing, but deny that this provides any reason to believe there is a moral order to the universe. Similarly, Linda Zagzebski (1987) argues that morality will not be a rational enterprise unless good actions increase the amount of good in the world. However, given that moral actions often involve the sacrifice of happiness, there is no reason to believe moral action will increase the good unless there is a power transcendent of human activity working on the side of the good. Here the atheist may claim that moral action does increase the good because such actions always increase good character. However, even if that reply fails the atheist may again simply admit that there may be something tragic or absurd about the human condition, and the fact that we may wish things were different is not a reason to believe that they are. So the problem must be faced: Are practical arguments merely rationalized wish-fulfillment?

The theist might respond to this kind of worry in several ways. The first thing to be said is that the fact that a naturalistic view of the universe implies that the universe must be tragic or absurd, if correct, would itself be an important and interesting conclusion. However, apart from this, it makes a great deal of difference how one construes what we might call the background epistemic situation. If one believes that our theoretical evidence favors atheism, then it seems plausible to hold that one ought to maintain a naturalistic view, even if it is practically undesirable that the world have such a character. In that case a practical argument for religious belief could be judged a form of wish-fulfillment. However, this does not seem to be the way those who support such a practical argument see the situation. Kant affirms that the limits of reason established in The Critique of Pure Reason would silence all objections to morality and religion “in Socratic fashion, namely, by the clearest proof of the ignorance of the objectors.” (1781, 1787, 30. See also 530–531) In fact, the situation actually favors theism, since Kant holds that theoretical reason sees value in the concept of God as a regulative ideal, even though God’s existence cannot be theoretically affirmed as knowledge. If we appeal to God’s will to explain what happens in the natural order, we undermine both science and religion, since in that case we would no longer seek empirical evidence for causality and we would make God into a finite object in the natural world (1781, 1787, 562–563). However, as a regulative ideal, the concept of God is one that theoretical reason finds useful: “The assumption of a supreme intelligence, as the one and only cause of the universe, though in the idea alone, can therefore always benefit reason and can never injure it” (1781, 1787, 560). There is a sense in which theoretical reason itself inclines towards affirmation of God, because it must assume that reality is rationally knowable: “If one wishes to achieve systematic knowledge of the world, he ought to regard it as if it were created by a supreme reason.” (Kant 1786, 298) Although theoretical reason cannot affirm the existence of God, it finds it useful to think of the natural world as having the kinds of characteristics it would have if God did exist. Thus, if rational grounds for belief in God come from practical reason, theoretical reason will raise no objections.

For Kant the argument from practical reason for belief in God is not a form of wish-fulfillment because its ground is not an arbitrary desire or wish but “a real need associated with reason” (Kant, 1786, 296). Human beings are not purely theoretical spectators of the universe, but agents. It is not always rational or even possible to refrain from action, and yet action presupposes beliefs about the way things are (For a good interpretation and defense of this view of Kant on the relation between action and belief, see Wood 1970, 17–25). Thus, in some cases suspension of judgment is not possible. The critic may object that a person may act as if p were true without believing p. However, it is not clear that this advice to distinguish action on the basis of p and belief that p can always be followed. For one thing, it seems empirically the case that one way of acquiring belief that p is simply to begin to act as if p were true. Hence, to begin to act as if p were true is at least to embark upon a course of action that makes belief in p more likely. Second, there may well be a sense of “belief” in which “acting as if p were true” is sufficient to constitute belief. This is obviously the case on pragmatist accounts of belief. But even those who reject a general pragmatic account of belief may well find something like this appealing with respect to religious belief. Many religious believers hold that the best way to measure a person’s religious faith is in terms of the person’s actions. Thus, a person who is willing to act on the basis of a religious conception, especially if those actions are risky or costly, is truly a religious believer, even if that person is filled with doubt and anxiety. Such a person might well be construed as more truly a believer than a person who smugly “assents” to religious doctrines but is unwilling to act on them.

Perhaps the right way to think of practical moral arguments is not to see them as justifying belief without evidence, but as shifting the amount of evidence seen as necessary. This is the lesson some would draw from the phenomenon of “pragmatic encroachment” that has been much discussed in recent epistemology. Here is an example of pragmatic encroachment:

You: I am about to replace the ceiling fan in the kitchen. Spouse: Did you turn off the main electrical power to the house? You: Yes. Spouse: If you forgot you could electrocute yourself. You: I better go back and check. (See McBrayer 2014, Rizzieri 2013).

A plausible interpretation of this scenario is that ordinarily claims such as the one I made, based on memory, are justified, and count as knowledge. However, in this situation, the stakes are raised because my life is at risk, and my knowledge is lost because the pragmatic situation has “encroached” on the normal truth-oriented conditions for knowledge. Pragmatic encroachment is controversial and the idea of such encroachment is rejected by some epistemologists. However, defenders hold that it is reasonable to consider the pragmatic stakes in considering evidence for a belief that underlies significant action (see Fantl and McGrath 2007). If this is correct, then it seems reasonable to consider the pragmatic situation in determining how much evidence is sufficient to justify religious beliefs. In theory the adjustment could go in either direction, depending on what costs are associated with a mistake and on which side those costs lie.

In any case it is not clear that practical moral arguments can always be clearly distinguished from theoretical moral arguments. The reason this is so is that in many cases the practical situation described seems itself to be or involve a kind of evidence for the truth of the belief being justified. Take, for example, Kant’s classic argument. One thing Kant’s argument does is call to our attention that it would be enormously odd to believe that human beings are moral creatures subject to an objective moral law, but also to believe that the universe that humans inhabit is indifferent to morality. In other words, the existence of human persons understood as moral beings can itself be understood as a piece of evidence about the character of the universe humans find themselves in. Peter Byrne (2013, 1998) has criticized practical arguments on the grounds that they presuppose something like the following proposition: “The world is likely to be organized so as to meet our deepest human needs.” Byrne objects that this premise is likely to be false if there is no God and thus arguments that assume it appear circular. However, it is not clear that only those who already believe in God will find this premise attractive. The reason for this is that humans are themselves part of the natural universe, and it seems a desirable feature of a metaphysical view that it explain (rather than explain away) features of human existence that seem real and important.

It seems likely therefore that any appeal to a practical argument will include some theoretical component as well, even if that component is not always made explicit. Nevertheless, this does not mean that practical arguments do not have some important and distinctive features. For Kant it was important that religious beliefs stem from practical reason. For if religious belief were grounded solely in theoretical reason, then such belief would have to conform to “extrinsic and arbitrary legislation.” (Kant 1790, 131) Kant thinks such a religion would be one grounded in “fear and submission,” and thus it is good that religious belief is motivated mainly by a free moral act by which the “final end of our being” is presented to us. (1790, 159) For any practical argument makes religious belief existential; the issue is not merely what I believe to be true about the universe but how I shall live my life in that universe.

It seems clear that no version of the moral argument constitutes a “proof” of God’s existence. Each version contains premises that many reasonable thinkers reject. However, this does not mean the arguments have no force. One might think of each version of the argument as attempting to spell out the “cost” of rejecting the conclusion. Some philosophers will certainly be willing to pay the cost, and indeed have independent reasons for doing so. However, it would certainly be interesting and important if one became convinced that atheism required one to reject moral realism altogether, or to embrace an implausible account of how moral knowledge is acquired. For those who think that some version or versions of the arguments have force, the cumulative case for theistic belief may be raised by such arguments.

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How to cite this entry . Preview the PDF version of this entry at the Friends of the SEP Society . Look up topics and thinkers related to this entry at the Internet Philosophy Ontology Project (InPhO). Enhanced bibliography for this entry at PhilPapers , with links to its database.

Byrne, Peter, “Moral Arguments for the Existence of God”, Stanford Encyclopedia of Philosophy (Spring 2013 Edition), Edward N. Zalta (ed.), URL = < https://plato.stanford.edu/archives/spr2013/entries/moral-arguments-god/ >. [This was the previous entry on moral arguments for the existence of God in the Stanford Encyclopedia of Philosophy — see the version history .]
Divine Command Theory , entry by Michael Austin, in the Internet Encyclopedia of Philosophy.

Acknowledgments

The authors wish to thank Trent Dougherty and Mark Linville for reading a draft of this essay and making many useful suggestions. Matthew Wilson also deserves thanks for tracking many bibliographical references and page numbers.

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The Ontological Argument for the Existence of God Essay

The ontological argument, the cosmological argument for the existence of god, the allegory of the cave, hume and kant on synthetic a priori judgments, hume, locke and berkeley on empiricism.

The ontological argument is an a priori argument that attempts to prove God’s existence based purely on reason. The argument sees no reason for attempts to prove the existence of God using empirical approaches. Instead, it seeks to prove God’s existence using essence. According to the ontological argument, the existence of God is a necessary property of God in the same way that a triangle comprises three sides. Anselm, for instance, believes that the claim of God’s non-existence is in itself self-contradictory as it implies that God is imperfect. Other philosophers who adopt the same line of argument as Anselm include Spinoza, Leibniz, Godel, Descartes, and Hegel.

The ontological argument adopts a modal technique to reasoning using the concepts of necessity, possibility and actuality. The argument assumes that supreme perfection necessitates existence. It starts by defining God as a supremely perfect being who is omnipotent, omnipresent and benevolent. In the view of ontological theorists, God must exist since existence is perfection and God is perfect.

Kant’s objection to the ontological argument stems from his view of the concept that a being that is conceived in the human mind, and which exists in the real world, is superior to an idea of a being that is merely conceived in the mind. Kant questions the ontological perception of existence as a predicate that necessarily applies to the concept of God in the same way that the three angles of a triangle necessarily belong to the triangle. In contrast, Kant argues that, though existence applies as a predicate in the grammatical sense, it differs from other predicates. Kant views existence as a property, unlike all ordinary properties, and argues that existence is merely the conjecture of a thing.

What Kant’s argument means is that when one asserts that God exists, he is not alluding that there is a God, or that he holds the property of existence. On the contrary, to say that a thing exists is to allude to the notion of that thing being typified in the universe. If Kant’s take on the ontological argument that existence is not a property that can be inherently possessed is correct, then we cannot compare an existent God with a non-existent God.

I believe that Kant’s position regarding the ontological argument (that a God that exists is essentially similar to a God that does not exist) is considerably defensible. An existent God is similar to a non-existent God, since they are both omnipresent, omnipotent and omniscient. This implies that the ontological claim that ‘an existent God is greater than a God who does not exist’ is essentially wrong. More than anything, the ontological argument succeeds in providing the definition of God as a supremely perfect being.

Because existence is a logical predicate rather than a grammatical one, it cannot belong to the concept of God as postulated by the ontological theorists. On the contrary, existence is a predicate that merely fulfills the definition of the concept of God. What this means is that existence is not a property like the green property of a leaf that belongs to the leaf. Even if existence is to be perceived as a property, it is not the property that impacts the essence of the thing which possesses the existence. Therefore, I do not believe that the ontological argument succeeds in proving the existence of God.

The cosmological argument for the existence of God is founded on a posteriori reasoning drawn from empirical experience of the universe. Thomas Aquinas formalizes the argument in his ‘Summa Theologica.’ Aquinas outlines five arguments in an attempt to prove the existence of God. Three arguments of Aquinas can be described as cosmological.

The first form of the cosmological argument for the existence of God is referred to as the first cause argument. This argument asserts that all things are caused by something else. If we go back through the causal sequence, we are likely to arrive at a first cause from which all else is caused. The cosmological philosophers argue that the supreme cause is God. It is important to note that the cosmological proof of God’s existence dismisses the idea of infinity or an infinite regression.

The second form of the ontological argument stems from the concept of contingency. This argument asserts that things can either exist or fail to exist. This argument implies that there is a possibility of a time when nothing existed, and some external being must have created what exists. Cosmological theorists call this external being God.

The third ontological argument considers the possibility of a prime mover or an unmoved mover. Aquinas states that everything in the world is in a constant state of motion. Since a thing cannot ‘actually be’ and ‘potentially be’ at the same time, everything that is in a state of motion must have been put in motion by a mover. Going by the trend of denying infinite regression, there must be a first mover who sets all movements in motion.

The fact that the cosmological argument applies an a posteriori system of reasoning works against as well as to the soundness of the position. Being a posteriori, the cosmological argument is easily testable using empirical data. For instance, we can test the argument by observing changes and processes in phenomena and seeking an explanation for the nature of events. The argument seems convincing since it answers the insatiable human desire to seek an explanation for natural events.

However, the knowledge acquired a posteriori cannot be absolutely trusted. Human desire to explain existence is not a reason enough to embrace the cosmological argument, since the empirical universe is filled with probabilities. What we know about the universe is obtained from the things we perceive today, rather than what existed at the time of creation. We cannot ascertain the sequence of events that took place at the time of creation to relate them with what we experience today.

Science also has the potential of working for or against the cosmological proof of God’s existence. Though science has failed to explain the happenings before the Big Bang, modern scientists have proved that there are some items, such as a particle generated by a vacuum, which can exist without being caused. This implies that God is not the only uncaused thing.

The problem raised by the ontological argument is that, even if there is a prime cause that caused the Big Bang, there is no absolute way of confirming that the cause of the Big bang is the theist God. To assume that the first cause is the theistic God requires one to take a leap of faith without logical or factual support systems.

In the allegory of the cave, Plato paints a picture of prisoners held in a dark cave. The prisoners are chained around their feet and necks in a way that inhibits their movement. Plato describes a world outside the caves and a wall separating the cave and the outside world. There are shadows of people moving outside the cave which are cast on the cave walls. Since the prisoners are chained, they are unable to raise their heads to see the real people moving outside the cave and only have access to the shadows. Consequently, they believe that the shadows are real. When one of the prisoners escapes, he is not able to see anything since he is blinded by the brightness of the sun. As he stays in the outer world, the prisoner comes to realize that the outside world is the real world and that the things to which he has been accustomed are mere illusions.

The prisoner believes that it is better to live as a slave in the real world than to live like a king in the cave. When the escapee returns to the cave, the other prisoners ridicule him for leaving the world of the cave since they cannot understand a reality they are yet to experience. The prisoners warn the escapee of possible death in case he tries to release them.

The cave in the allegory signifies people who are so accustomed to what they know from empirical faculties that they do not conceive any other way of life. The shadows in the allegory signify knowledge obtained from sense perception. In his portrayal of the game played in the cave, Plato implies that those perceived as masters actually have limited knowledge of reality. The breakout prisoner in Plato’s allegory represents a philosopher who has moved away from reliance on sense perception and who seeks knowledge that is outside the realm of the senses. While the sun represents truth obtained through philosophical inquiry, the intellectual journey of the escaped prisoner represents the path followed by philosophers in their pursuit of wisdom and truth. The reactions of the other prisoners depict how most people are afraid of seeking philosophical truth and prefer to stay in their ‘safe’ worlds.

To explain true knowledge, Plato presents his model of the Forms. Plato’s forms are fixed objects described as the most real objects conceivable. The world as we perceive it is just a shadow of the real Forms, which can only be grasped through rationality. For instance, the property shared by all triangles is the Form of triangularity, which is the essence of what is called a triangle. For instance, for two or more things to belong to kind X, they must share in the Form of X-ness.

Plato, being an idealist, believes that true knowledge can only be acquired through rational faculties, rather than through sense perception. Unlike physical objects, the Forms presented by Plato are unchanging and are universally knowable.

The sun in Plato’s allegory represents a philosopher’s understanding of the Forms, particularly the Form of good. A philosopher needs to appreciate the Form of good so that he can identify and comprehend the goodness available in other Forms. I agree with Plato that the knowledge we use to understand the world is inborn and cannot be acquired by sense perception. Ideas such as roundness exist in the human brain.

Before we can understand the concept of synthetic a priori judgment, we must define what is meant by analytic propositions and synthetic propositions. In Kant’s view, the terms ‘analytic’ and ‘synthetic’ are merely different types of judgments, which are assertions or propositions. Analytic propositions do not give us any new information about reality, but merely state that a property is encompassed by an object as part of its meaning. An example of an analytic statement is ‘husbands are male.’ The concept ‘husband’ contains the concept ‘male’ as part of its definition.

Synthetic propositions, on the other hand, are statements whose predicating concept is not part of the definition of the subject concept. For instance, the proposition that ‘all matter is heavy’ is synthetic in the sense that having weight does not form part of the definition of matter. Synthetic a priori judgments are statements that are verifiable independent of empirical experience, and which are not logically encompassed as part of the definition of the subject.

Hume builds his philosophy around an empiricist assumption that all propositions can be known through sense experience. In Hume’s view, causality is not founded on a priori judgments. On the contrary, Hume believes that the concept of causality is completely unfounded. He asserts that there is no foundation in experience to imply that a specific event must necessarily follow another event. He concludes that the causality cannot, therefore, be justified rationally.

What Hume implies is that there is no contradiction in rejecting the alleged necessity of causality. However, the refutation of a proposition is what demonstrates it to be necessary, especially when the refutation occasions a visible inconsistency. Since there is no inconsistency in refuting the assumed necessity of causality, such refutation is not tantamount to inconsistency. Since there is no inconsistency in refuting the necessity of causality, the causality cannot be said to be a priori.

In Hume’s postulation, the human mind develops a pattern when it is used to seeing an event follow another. The mind, therefore, assumes a causal relationship between the two events. Causal relationships, in Hume’s view, are just assumptions created by the human mind and are not certifiable by experimentation. Necessity of causal relations, therefore, lacks reasonable backing and must be psychologically defended.

I believe that Hume’s dismissal of the hitherto popular laws of causality and induction is what inspires Kant to try to save natural science from the implications of Hume’s philosophy. The reason Kant refutes Hume’s view on causation and induction is because Hume rejects the certainty upon which natural science is built. Kant, therefore, tries to address the problem raised by metaphysics by designing a framework of transcendental idealism that can enable people to avoid skepticism.

Kant admits that causation seems impossible, but suggests a different approach in understanding causality. Instead of looking at causality as a metaphysical process involving the organization of natural events, Kant suggests that causality should be viewed as a universally and necessarily occurring property, impressed by the human mind upon reality. This view of causality as a requirement for the intelligibility of occurrence seems more plausible than Hume’s dismissal of causality in its totality. Synthetic a priori propositions are, therefore, depicted as rationally validated since they serve as preconditions for comprehensibility.

I believe that Kant is right in his postulation that certain rational categories ought to typify objects of sense perception so that the wholeness of a person’s experience can be consistent. These innate a priori intuitions (for instance, spatial-temporal intuitions) are assumed in any act of acquiring knowledge, and are validated as sources of all conceivable experience. To reject the innate intuition of causality causes sense perception to be incomprehensible.

Hume, Locke and Berkeley are all British empiricist philosophers who believe in weeding out any concept that portray inconsistency with empiricism and believe that knowledge must be drawn from experience. This results in skepticism about most of the things that we generally assume to know. Locke, Berkeley and Hume all adopt a technique of constructing a corpus of knowledge using modest building blocks.

Locke’s philosophy seeks original and certain knowledge as well as the levels of belief. He attacks the principle of innate ideas, which asserts that human infants are born with some amount of knowledge that is not obtained from sense perception. Locke argues that the human infant is born with an empty mind, which is gradually filled with knowledge acquired through experience.

Locke also believes that the human mind resembles a mirror that only reflects objects presented to it. In his view, knowledge can be classified as sensitive, intuitive and demonstrative. Human beings often possess instinctual knowledge concerning their personal existence, sensitive knowledge about the presence of specific finite objects and demonstrative knowledge about the existence of divinity. Locke attempts to reason that human beings have knowledge of sensible things from simple ideas. However, Locke fails to support how we acquire this form of knowledge.

Locke also distinguishes between primary qualities and secondary qualities of objects. While primary qualities such as shape and motion exist in the world, secondary qualities depend on the person perceiving the object. Secondary qualities of objects include taste, smell and color as perceived by an individual.

From his arguments, Locke is depicted as an empiricist in the limited sense who believes that all materials upon which knowledge is attained are acquired through sense perception. His limitation as an empiricist stems from his acceptance of the possibility of rational, a priori knowledge of objects outside the realm of the senses.

Berkeley discards Locke’s categorization of objects according to primary and secondary qualities, and asserts that all experiences fall under the secondary category. He believes that the distinction between the qualities of objects generates unwarranted skepticism. Berkeley’s epistemological postulation only recognizes the existence of minds, in which God inputs ideas. He dismisses the concept of independently existing objects. However, Berkeley concedes that we have some amount of knowledge that we acquire through sense perception such as knowledge concerning God’s existence.

Berkeley believes that God is the greatest mind who controls the world of ideas. He distinguishes between the universe of God and human universe. Human beings cannot acquire knowledge about God’s universe except through fantasy.

David Hume improves on the premises proposed by Berkeley. In my view, Hume is the most consistent of all the three empiricists. Though he adopts the empirical approach to epistemology as developed by Locke, he refuses the idea of any knowledge obtained outside sensory experience. Hume asserts that though the human epistemological realm is limited to sensory experience, the possibility of any other realm (including God) is unknowable.

Hume also dismisses the concept of common sense since it is based on indefensible beliefs formed by the mind. He dismisses anything that cannot be empirically verified, including the idea of causation and the concept of induction. In terms of consistency and adherence to the empirical principle, Hume is the most commendable of the three British empiricists.

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Essay: Cosmological Argument

Evaluate the Strengths and Weaknesses of the Cosmological Argument for Proving God Exists. (40)

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6.3 Cosmology and the Existence of God

Teleological Arguments for God

Aquinas’s Design Argument

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Moral Arguments for God

Write Like a Philosopher

The Ontological Argument for God

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Cosmological Arguments for the Existence of God

1. First-Cause Cosmological Arguments

2. The Kalām Cosmological Argument

3. Contingency Arguments

4. Conclusion

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2.2: The Cosmological Argument (St. Thomas Aquinas)

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Arguments for the Existence of God by Graham Oppy LAST REVIEWED: 26 February 2020 LAST MODIFIED: 26 February 2020 DOI: 10.1093/obo/9780195396577-0040

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