Many Christians believe that the Bible is the literal and inerrant word of God. When asked for evidence that God exists, they point to the Bible and the stories describing all the miracles God performed. That neat little piece of circular reasoning is about as logical as the idea of a self-eating watermelon.
I was lying in bed thinking about this one night, and when I finally fell asleep, I had a very strange dream. It was a few days after I had returned from a trip to South Africa. The brain often weaves personal experiences into dreams, and this was a good example.