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  • "I refuse to prove that I exist" says God, "for proof denies faith, and without faith, I am nothing." "Oh," says man, "but the Babel Fish is a dead give-away, isn't it? It proves You exist, and so therefore You don't. Q.E.D." "Oh, I hadn't thought of that," says God, who promptly vanishes in a puff of logic.

    "The Hitchhiker's Guide to the Galaxy". Book by Douglas Adams, Chapter 6, 1979.