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Keith Parsons's avatar

I am very belatedly commenting on this excellent post. In my first debate with William Lane Craig--1998, Prestonwood Baptist Church, Dallas--this question came up. Of course, the parallel question could be asked the theist: What could possibly happen that would convince you that God does not exist? This question was the basis of Antony Flew's classic essay from 1950, "Theology and Falsification." In the discussion time following the debate, I said that I could imagine a scenario. If all the galaxies in the Virgo cluster were rearranged so that when viewed from Earth they spell out "Prepare to meet thy God"--and we could be sure it was not a hoax or a delusion--this would probably do it. Norwood Russell Hanson, in his essay "What I Don't Believe," says that God appearing to us, "towering over us like a hundred Everests while lightning plays about his Michelangeloid face," and assuring us in thunderous voice that he does exist, would do the trick.

A commenter on Victor Reppert's Dangerous Idea site said that in the debate I had declared that nothing would convince me. Victor, a man of integrity, corrected him and pointed out that I had in fact said what would convince me. Do you think I received an apology from the accuser? You get one guess. Such is the nature of Christian charity, and such is the sensitivity to the commandment not to bear false witness.

What about less histrionic evidence? Could any of the arguments for the existence of God do it? In the over fifty years since I took my first course in the philosophy of religion, I have heard many, many theistic arguments, including sophisticated refinements of the arguments by Richard Swinburne, Alvin Plantinga, William Lane Craig, and others. I find these arguments, individually and collectively, to be very weak, even when compared to the usual metaphysical arguments. One and all, they rest upon assumptions and intuitions that their authors and like-minded believers might find plausible, but I certainly do not. For instance, Richard Swinburne thinks that it is more likely that the theistic God exists as the ultimate brute fact than that a physical universe will exist as an ultimate brute fact. That is, he thinks that there can be objective, purely a priori probabilities that are conditioned by no background information at all. What is the probability that God exists given....nothing? I cannot make any sense out of such "probabilities." If, on the other hand, we are talking about personal probabilities, then for me the prior probability of the existence of the theistic God is not zero, but pretty close. So, I have a right to demand very, very good evidence to change my mind, and not tepid arguments based upon highly dubious assumptions and intuitions that I do not share.

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Oliver Halle's avatar

Any faith based belief requires by definition the suspension of reason, which includes having beliefs and opinions that are informed by facts, evidence, logic or reason. When a believer asks you to just "accept it on faith", that you have free will to accept or reject their belief, I ask in response, how does one believe something that is counterintuitive? I can choose where I want to live, what brand of coffee to buy, a course of study in pursuit of a career, etc., but I can't fall in love with someone where there isn't the right chemistry; believe that 2+2=5; or will myself to hate my children if someone put a gun to my head, said I had to do just that, and that the person had a meter that could detect if I was lying, and that he would kill them in front of me if I didn't do as directed. And no believer can use what they believe to be free will to change their beliefs if they are counterintuitive to him/her. That god has given us free will to accept something on faith alone has to be one of the weakest arguments of believers, yet they consider it one of their strongest.

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