|
|
[
Dr. Craig's Reasonable Faith Site |
Debates |
Articles |
Calendar |
About Dr. Craig ]
The Craig-Jesseph Debate
Does God Exist?
Dr. Craig's Opening Arguments
Thank you and good evening!
In tonight's debate, I am going to defend two basic contentions: (I)
There are no good reasons to think that atheism is true and (II)
There are good reasons to think that theism is true.
I. Reasons for Atheism
Let's look, then, at that first major contention, that there no good
reasons to think that atheism is true. Immediately I have to disagree with
Dr. Jesseph's definition of atheism. He says, "Atheism is the claim
that there is no rational justification for belief in God." That is
not atheism. That is agnosticism, which holds that you don't know whether
God exists or not. Atheism is the claim that God does not exist. That is
a claim to knowledge and therefore demands justification. This is most
evident by the simple fact that many Christian theologians believe in God
by faith and do not hold that there are any rational proofs for the existence
of God -- for example Karl Barth. But nobody, by any stretch of the imagination,
could call Karl Barth an atheist. So Dr. Jesseph has to carry his arguments
against the existence of God if he is to prove atheism.
Now he presents three arguments for atheism.
Principle of Conservatism
(1) I will agree that when more familiar forms of explanation are available,
then we should prefer those. But he has got to show that there are
these more familiar forms of explanation available for the facts that I
will be discussing, and I don't think that there are. He says that you
can't test God as an explanation. You can run tests to verify God's
existence. As we will see, certain beliefs or predictions have been verified
by the evidence, and I think, therefore, this constitutes a verification
of the theistic hypothesis.
Theistic Pluralism
(2) His second argument is that if you hold to one view of deity, that
must deny alternative deities. Well, that is only logically necessary.
If a certain concept of God is shown to correspond to reality, then, of
course, contradictory concepts do not correspond to reality. But that is
no argument against any concept of God or the existence of God.
Problem of Evil
(3) Thirdly, he asked, "Isn't evil inconsistent with God's existence?"
I think not. There is no contradiction between the two statements "God
exists" and "Evil exists." Now Dr. Jesseph will try to show
a contradiction by supplying some additional premises. He says, "If
God is all powerful, He can create any world that He wants. And if He is
all good, He would want to create a world without evil." The problem
is that neither of those additional premises is necessarily true. Consider
the premise that if God is all powerful, He can create any world that
He wants. If God chooses to create a world involving free creatures,
then He cannot guarantee that they will always do what is right. It is
logically impossible to make someone freely do something.
And so what Dr. Jesseph would have to prove to carry this objection is
that there is a possible world of free creatures which God could create
which has as much good as this world does, but without the same amount
of evil. Now how could he possibly prove such a thing? I couldn't even
imagine how you would go about proving this.
What about the other premise, that if God is all good, then He would
want to create a world with no suffering? Now certainly I agree that
God wants the best for us. But we mustn't assume that the best for us simply
means happiness in this life. According to the Christian view of God, the
purpose of life is the knowledge of God; and many evils which one suffers
in life might be utterly gratuitous with respect to producing happiness,
but might not be gratuitous with respect with producing a deeper knowledge
of God. Dr. Jesseph, to carry the objection, would have to show that there
is a possible world with less suffering and natural evil than this one
that also achieves the same amount of the knowledge of God and of God's
salvation as this one. Now how could he possibly prove such a thing? I
couldn't even imagine.
And that is why the logical problem of evil which he has proposed here
has been rejected by the majority of philosophers today. So I don't think
that any of his three arguments constitute good grounds for affirming atheism.
II. Reasons for Theism
Now are there good grounds for believing that God does exist? I believe
there are, and I want to present four of them in tonight's debate.
Cosmological Argument
(1) God makes sense of the origin of the universe.
Have you ever asked yourself where the universe came from? Why everything
exists instead of just nothing at all? Well, typically, atheists have said
that the universe is just eternal, and that's all. But surely this is unreasonable.
Just think about it for a minute. If the universe never had a beginning,
then that means that the number of events in the history of the universe
going into the past is infinite. But mathematicians recognize that the
idea of an actually infinite number of things leads to self-contradictions.
For example, what is infinity minus infinity? Well, mathematically, you
get self-contradictory answers.
This shows that infinity is just an idea in your mind, not something
that exists in reality. David Hilbert, perhaps the greatest mathematician
of this century states,
The infinite is nowhere to be found in reality. It neither exists in
nature nor provides a legitimate basis for rational thought. … The role
that remains for the infinite to play is solely that of an idea.{1}
But that entails that, since past events are not just ideas in your
mind, but are real, the number of past events must be finite. Therefore,
the series of past events just can't go back forever. Rather the universe
must have begun to exist.
This conclusion has been confirmed by remarkable discoveries in astronomy
and astrophysics. The astrophysical evidence indicates that the universe
began to exist in a great explosion called the "Big Bang" 15
billion years ago. Physical space and time were created in that event,
as well as all the matter and energy in the universe. Therefore, as the
Cambridge astronomer Fred Hoyle points out, the Big Bang Theory requires
the creation of the universe from nothing. This is because if you go back
in time, you reach a point, at which, in Hoyle's words, "the universe
was shrunk down to nothing at all."{2}
Thus, what the Big Bang model requires is that the universe began to exist
and was created out of nothing. That is why you cannot agree with Dr. Jesseph
when he says, "Why not believe that the universe is just eternal?"
Now this tends to be very awkward for the atheist. For as Anthony Kenny
of Oxford University urges, "A proponent of the Big Bang theory, at
least if he is an atheist, must believe that … the universe came from nothing
and by nothing." {3}
But surely that doesn't make sense. Out of nothing, nothing comes. So
why does the universe exist instead of just nothing? Where did it come
from? There must have been a cause which brought the universe into being.
Now from the very nature of the case, this cause must be an uncaused,
changeless, timeless, and immaterial being which created the universe.
It must be uncaused because we have seen there cannot be an infinite regress
of causes. It must be timeless, and therefore changeless, at least without
the universe, because it created time. Because it also created space, it
must transcend space as well and, therefore, must be immaterial, not physical.
In other words, it has some of the central attributes of God which Professor
Jesseph described at the beginning of his speech.
Notice that I am not saying that this Being existed before the Big Bang
temporally. He is causally prior to the Big Bang, but not temporally
prior to the Big Bang.
Thus, the Big Bang Theory fits in with what the Christian theist has
always believed, namely, that "In the beginning God created the universe."{4}
Now I simply put it to you: Which makes more sense, that the Christian
theist is right on this matter or that the universe just popped into being,
uncaused, out of nothing? I, at least, don't have any trouble assessing
these alternatives.
Teleological Argument
(2) God makes sense of the complex order in the universe.
During the last 30 years, scientists have discovered that the existence
of intelligent life depends upon a complex and delicate balance of initial
conditions simply given in the Big Bang itself. We now know that life-prohibiting
universes are vastly more probable than any life-permitting universe like
ours. How much more probable? Well, before I give you an estimation, let
me give you some numbers to give you a feel for the odds. The number of
seconds in the history of the universe is about 10 to the 18th power. The
number of sub-atomic particles in the entire universe is about 10 to the
80th power. Now with those numbers in mind, consider the following: Donald
Page, one of America's eminent cosmologists, has calculated the odds of
our universe existing as being one chance out of 10 to the power of 10
to the 124th power, a number which is so inconceivable that to call it
astronomical would be a wild understatement!{5}
Our discovery of the fine-tuning of the Big Bang for intelligent life
is like someone trudging through the Sahara Desert and, rounding a sand
dune, suddenly being confronted with a skyscraper the size of the Empire
State Building! We would rightly dismiss as mad any suggestion that it
just happened to come together there by chance. Similarly, we would find
equally insane the idea that any arrangement of sand particles at
that place would be improbable and therefore there is nothing here to be
explained.
Again, it seems to me that the view that the Christian theist has always
held, that there is an intelligent designer of the universe, seems much
more plausible than the atheistic view that the universe, when it popped
into being uncaused out of nothing, just happened to be, by chance, fine-tuned
with an incomprehensible complexity and detail for the existence of intelligent
life.
Now Dr. Jesseph raises four objections that I think can be easily dismissed.
(i) The human body could have been better designed. I don't care to
dispute the point. You can't deny the design of a watch because there could
have been a better-running, more complex watch. (ii) Evolution accounts
for the appearance of design in biological organisms. My argument concerns
the initial conditions of the Big Bang on which evolution itself depends
and therefore does nothing to refute my argument. (iii) Maybe there
is more than one God or designer. Occam's Razor says that you do not
postulate causes beyond necessity. One cause is enough. That suffices to
explain the data. (iv) It is not a supernatural cause. I beg to
differ. This is a cause of the design of the universe, of the origin of
the universe with its initial conditions in the Big Bang. So it is clearly
supernatural.
Moral Argument
(3) God makes sense of objective moral values in the world.
If God does not exist, then objective moral values do not exist. Many
theists and atheists alike concur on this point. For example, the late
J.L. Mackie of Oxford University, one of the most influential atheists
of our time, admitted, "If … there … are objective values, they make
the existence of a god more probable than it would have been without them.
Thus, we have … a defensible argument from morality to the existence of
a god. …"{6} But in order
to avoid God's existence, Mackie therefore denied that objective moral
values exist. He wrote, "It is easy to explain this moral sense as
a natural product of biological and social evolution."{7}
Professor Michael Ruse, a philosopher of science at the University of Guelph,
agrees. He explains,
Morality is a biological adaptation, no less than are hands and feet
and teeth. … Considered as a rationally justifiable set of claims about
an objective something, [ethics] is illusory. … Morality is just an aid
to survival and reproduction … and any deeper meaning is illusory.{8}
Friedrich Nietzsche, the great atheist of the last century who proclaimed
the death of God, understood that the death of God meant the destruction
of all meaning and value in life. I think that Friedrich Nietzsche was
right. But we've got to be very careful here. The question here is not:
Must we believe in God in order to live moral lives? I am not claiming
that we must. Nor is the question: Can we recognize objective moral
values without believing in God? I certainly think that we can. Rather
the question is: If God does not exist, do objective moral values exist?
Like Mackie and Ruse, I must confess that I just don't see any reason
to think that in the absence of God the morality evolved by Homo sapiens
is objective. Dr. Jesseph's values are just obligations we owe to other
people, but I don't see any reason in the absence of God to think that
there are such obligations. After all, if there is no God, then
what's so special about human beings? They're just accidental by-products
of nature which have evolved relatively recently on an infinitesimal speck
of dust called the planet Earth, lost somewhere in a hostile and mindless
universe, and which are doomed to perish individually and collectively
in a relatively short time.
On the atheistic view, some action, say, rape, may not be socially advantageous,
and so in the course of human evolution, it has become taboo. But that
does absolutely nothing to prove that rape is really wrong. On the
atheistic view, apart from the social consequences, there is nothing really
wrong with your raping someone. Thus, without God there isn't any absolute
right and wrong that imposes itself on our conscience.
But the problem is that such a view is so obviously false. Objective
values do exist, and deep down we all know it. There is no more reason
to deny the objective reality of moral values than the objective reality
of the physical world. Actions like rape, torture, child abuse, and so
forth, aren't just socially unacceptable behavior. They are moral abominations.
Some things are really wrong. Similarly, love, equality, generosity, and
self-sacrifice are really good. But if objective values cannot exist without
God, and objective values do exist, then it follows logically and inescapably
that God exists.
Now does that mean that theists do the good out of fear, as Dr. Jesseph
alleges? Not at all! I believe that as Christians, you do the good out
of a loving response to your God and Father. It is because you love God
so much, who gave Himself for you, who forgave your moral evils that you
have committed in this life, that your natural response is one of love
and obedience, to live a life that is holy and pleasing to Him. So it's
not a matter of living out of fear.
But notice that in his arguments, Dr. Jesseph never explained what the
atheistic explanation of the origin of the universe was. He never gave
any explanation for the complex order in the universe that is present in
the initial conditions. And he never told us what is the foundation for
objective moral values. In all of these ways, it seems to me, theism makes
more sense than atheism.
Experience of God
(4) Finally, God can be immediately known and experienced.
Now this isn't really an argument for God's existence. Rather it is
the claim that you can know that God exists wholly apart from arguments
simply by immediately experiencing Him. This was the way that people in
the Bible knew God. As Professor John Hick explains,
God was known to them as a dynamic will interacting with their own wills,
a sheer given reality … as inescapably to be reckoned with as destructive
storm and life-giving sunshine. … They did not think of God as an inferred
entity, but as an experienced reality. … To them God was not … an idea
adopted by the mind, but the experiential reality which gave significance
to their lives.{9}
Now if this is the case, then there is a danger that proofs for God
could actually distract our attention from God Himself. If you are sincerely
seeking God, then I believe that God will make His existence evident to
you. The Bible promises, "Draw near to God, and He will draw near
to you."{10} We mustn't
so concentrate on the external proofs that we fail to hear the inner voice
of God speaking to our own hearts. For those who listen, God becomes an
immediate reality in their lives.
Now Dr. Jesseph would dismiss this experience as being purely based
on psychological factors and wish-fulfillment. But the point of the argument
that I am giving here is that belief in God, when you experience Him and
know Him, is a properly basic belief. It is like the belief in the existence
of the external world. Sure, it's possible that there is no external world,
that you are really a brain in a vat being stimulated with electrodes by
a mad scientist to believe that you are here in this auditorium experiencing
this lecture, when actually you are not. You are just a brain sitting in
a vat of chemicals being stimulated to think that. But why believe such
a hypothesis? Why doubt your experience of the external world? In the absence
of good reasons to doubt that, you are within your rational rights in believing
that experience to be veridical and genuine. Similarly, in the absence
of any reasons to adopt atheism, why should I give up or deny my experience
of the existence of God, which is so real and significant to me?
Conclusion
In conclusion, then, I don't think we have seen good reasons to show
that God does not exist, and we have seen four reasons to think that God
does exist. Together, these reasons constitute a powerful cumulative case
for theism. If Dr. Jesseph wants us to believe atheism instead, then he
has got to come back and tear down all four of the reasons for God's existence
that I have given and then in their place erect a case of his own to show
that God does not exist. Until and unless he does that, I think that we
can conclude that theism is the more rational world view.
Notes
{1} David Hilbert, "On
the Infinite," in Philosophy of Mathematics, ed. with an Introduction
by Paul Banecerraf and Hilary Putnam (Englewood Cliffs, N.J.: Prentice-Hall,
1964), pp. 139, 141.
{2} Fred Hoyle, Astronomy
and Cosmology (San Francisco: W. H. Freeman, 1975), p. 658.
{3} Anthony Kenny, The Five
Ways: St. Thomas Aquinas' Proofs of God's Existence (New York: Schocken
Books, 1969), p. 66.
{4} Genesis 1:1.
{5} Donald Page, cited in L.
Stafford Betty and Bruce Cordell, "God and Modern Science: New Life
for the Teleological Argument," International Philosophical Quarterly
27 (1987): 416. Betty and Cordell actually get the number too small.
{6} J. L. Mackie, The Miracle
of Theism (Oxford: Clarendon Press, 1982), pp. 115-16.
{7} Ibid., pp. 117-118.
{8} Michael Ruse, "Evolutionary
Theory and Christian Ethics," in The Darwinian Paradigm (London:
Routledge, 1989), pp. 262-269.
{9} John Hick, "Introduction,"
in The Existence of God, ed. John Hick, Problems of Philosophy Series
(New York: Macmillan Co., 1964), pp. 13-14.
{10} James 4:8.
Email this to a friend
copyright
© 1995-2010
Leadership U. All rights reserved.
Updated: 13 July 2002
|