Twenty Arguments For The Existence Of God

- Developed by Peter Kreeft, "Handbook of Christian Apologetics"

An effective rational argument for God's existence is an important first step in opening the mind to the possibility of faith. While no one argument seems to be proof by itself, all of them taken together make a strong case.


1. Argument from Change

-If there is nothing outside the material universe, then there is nothing that can cause the universe to change

-But it does change

-Therefore there must be something in addition to the material universe

-But the universe is the sum total of all matter, space, and time.

-These three depend on each other

-Therefore, this being outside the universe is outside of matter, space, and time

-It is not a changing thing, it is the unchanging Source of change (Source=God)


2. Argument from Efficient Causality

-If there is no God who has existence by his own eternal nature, then the gift of existence cannot be passed down the chain of creatures and we can never get it.

-But we do get it; we exist

-Therefore there must exist a God, an Uncaused Being who does not have to receive existence like us - and like every other link in the chain of receivers


3. Argument from Time and Contingency

- Things come into being and go out of being

-Whatever comes into being or goes out of being does not have to be; its "nonbeing is a real possibility

- Suppose that nothing has to be; nonbeing is a real possibility for everything

-Then right now nothing would exist

-For if the universe began to exist, then all being must trace its origin to some past moment before which there existed nothing at all

-But from nothing nothing comes

-So the universe could not have begun

-But suppose the universe never began. Then, for the infinitely long duration of cosmic history, all being had the built-in possibility not to be.

-But if in an infinite time that possibility was never realized, then it could not have been a real possibility at all.

- So there must exist something which cannot not exist

-Either this necessity belongs to the thing in itself or it is derived from another. If derived from another there must ultimately exist a being who's necessity is not derived, an absolutely necessary being.

-This absolutely necessary being is God


4. Argument from Degrees of Perfection

- We notice that things vary in different ways. We tend to arrange them in terms of more or less. Degrees of perfection.

-But if these degrees of perfection pertain to being an being is caused in finite creatures

-Then there must exist a "best" a source of perfections

-This absolutely perfect being is God


5. The Design Argument

-The universe displays a staggering amount of intelligibility. Things exist and coexist in an intricate order that fill the observer with wonder.

-Either this intelligible order is a product of chance or of intelligent design

-Not chance (Make non-believ4er produce a credible alternative to design - chance isn't)

-Therefore the universe is the product of intelligent design

-Design comes only from a mind, a designer

-Therefore, the universe is the product of an Intelligent Designer.


6. The Kalam Argument

-Whatever begins to exist has a cause for its coming into being

-The universe began to exist.

-Therefore, the universe has a cause for its coming into being.


7. Argument from Contingency

-If something exists, there must exist what it takes for that thing to exist

-The universe, the collection of beings in space and time, exists

-Therefore, there must exist what it takes for the universe to exist

-What it takes for the universe to exists cannot exist within the universe or be bounded by time and space

-Therefore, what it takes for the universe to exist must transcend time and space


8. Argument from the World as an Interacting Whole

-Starting Point: This world is given to us as an ordered system of many active component elements, working within physical laws

-Argument: In this system, no component part or active element can be self-sufficient or selfexplanatory

- Three conclusions:

-The parts make sense only within the whole, so the world requires a unifying efficient cause to put it into existence as a unified whole

-Any such cause must be an intelligent cause

-Such an intelligent cause must be independent of the system itself - transcendent, not dependant on the system for its own existence


9. Argument from Miracles

(not a proof, but a powerful clue)

-A miracle is an event whose only adequate explanation is the extraordinary intervention of God

-There are numerous well-attested miracles.

-Therefore, there are numerous events who's only adequate explanation is the extraordinary intervention of God

- Therefore God exists


10. Argument from Consciousness

-We experience the universe as intelligible

-Either this intelligible universe and the finite minds that grasp it are the products of intelligence, or both intelligibility and intelligence are products of blind chance

-Not blind chance

-Therefore, this intelligible universe etc. are the products of intelligence


11. Argument from Truth

-Our limited minds can discover eternal truths about being

-Truth properly resides in a mind

-But the human mind is not eternal

-Therefore there must exist an eternal mind in which these truths reside


12. Argument from the Origin of the Idea of God

-We have ideas of many things

-These ideas must arise either from ourselves or from things outside us

-One of these ideas is the idea of God, an infinite, all-perfect being

-This idea could not have been caused by ourselves, because we know ourselves to be limited and imperfect and no effect can be greater than its cause

- Therefore, the idea must have been caused by something outside us which has nothing less than the qualities contained in the idea of God

-But only God himself has those qualities

-Therefore God himself must be the cause of the idea we have of him.

-Therefore God exists.


13. Ontological Argument

- It is greater for a thing to exist in the mind and in reality than in the mind alone

-"God" means "that than which a greater cannot be thought"

-Suppose that God exists in the mind but not in reality

-Then a greater than God could be thought (Namely a being that has all the qualities our thought of God has plus real existence)

-But this is impossible, for god is "That than which a greater cannot be thought"

-Therefore, God exists in the mind and in reality


MODEL VERSION

-The expression "that being than which a greater cannot thought" expresses a consistent concept

-The being cannot be thought of as Necessarily non-existent Or as contingently existing But only as necessarily existing

- So the being can only be thought of as the kind of being that cannot not exist, but that must exist

- But what must be so is so

- Therefore, the being (God) exists


14. Moral Argument

- Real moral obligation is a fact. We are obligated to do good and avoid evil

-Either the atheistic view of reality is correct or the "religious" one

- But the atheistic one is incompatible with there being moral obligation

- Therefore, the "religious" view of reality is correct


15. Argument from Conscience

(No one believes that it is ever good for anyone to deliberately and knowingly disobey their conscience. Where did conscience get such absolute authority?)

- From something less than me (nature) - How can I be absolutely obligated by something less than me?

- From me (individual) - How can I obligate myself absolutely?

- From others equal to me (society) - What right do my equals have to impose their values on me? Is society God?

- From something above me (God) - The only source of absolute moral obligation left is something superior to me.

-Thus God or something like God is the only adequate source and ground for the absolute moral obligation we all feel to obey our conscience.

-Addendum on Religion and Morality - four relations between religion and morality

-Religion and morality are independent - But a God indifferent to morality would not be wholly good, nor would independent morality have absolute reality behind it.

-God is the inventor of morality - Divine Command Theory - But this reduces morality to power

-God commands it because it is good - This makes God conform to a law higher than himself. A law higher than God and humanity alike.

-The only rationally acceptable answer to this relationship is a Biblical one. Morality is based on God's eternal nature. Because God is what he is, and we are his image bearers, morality binds our consciences


16. Argument from Desire

-Every natural , innate desire in us corresponds to some real object that can satisfy that desire

- But there exists in us a desire which nothing in time, nothing on earth, no creature can satisfy

- Therefore there must exist something more than time, earth and creatures that can satisfy this desire

-This something is what people call "God"


17. The argument from Aesthetic Experience

-There is the music of Johann Sebastian Bach

-Therefore there must be a God

(Either you see this one or you don't)


18. The Argument from Religious Experience

-Many people of different eras and of widely different cultures claim to have had an experience of the "divine"

-It is inconceivable that so many people could have been so utterly wrong about the nature and content of their own experience

- Therefore, there exists a "divine" reality which many people of different eras and of widely different cultures have experienced.

-(It is unlikely that this proves that God exists because for some, God is not the object of their experience. But it is helpful overall.)


19. Common Consent

-Belief in God - that being to whom reverence and worship are properly due - is common to almost all people of every era.

-Either the vast majority of people have been wrong about this most profound element of their lives or they have not

-It is most plausible to believe that they have not

-Therefore, it is most plausible to believe that God exists


20. Pascal's Wager

-Pascal's Wager assumes that logical reasoning by itself cannot decide for or against the existence of God.

- The question in Pascal's Wager is "Where are you going to place you bet?"

- If you place it with God, you have nothing to lose even if God doesn't exist

- If you place against God and you are wrong, you lose everything