Well That About Wraps It Up For God

"I refuse to prove that I exist," says God, "for proof denies faith, and without faith I am nothing."
"But," says the Man, "the Babel fish is a dead giveaway, isn't it? It could not had evolved by chance. It proves you exist, and so therefore, by your own arguments, you don't. QED."
"Oh, dear," says God, "I hadn't tought of that," and promptly vanishes in a puff of logic.

—Douglas Adams, The Hitchhiker's Guide to the Galaxy