“Writers who try to prove something are unattractive to me, because there is nothing to prove and everything to imagine. So I let words and images emerge from within. If you do that, you might prove something in the process.”

“You can't prove that something doesn't exist. You can only prove that something does exist.”

“History proves nothing because it contains everything.”

“To prove the Gospels by a miracle is to prove an absurdity by something contrary to nature.”

“I never tried to prove anything to someone else. I wanted to prove something to myself.”

“She was a nice little girl, simple and true, and tremendously frightened of sex. I told her it was beautiful. I wanted to prove this to her. She let me prove it, but I was too impatient and proved nothing.”

“If I do not believe as you believe, it proves that you do not believe as I believe, and that is all that it proves.”

“Those who seem to think that the Bush administration had something to do with 9-11… I can prove that they didn't. They are totally incompetent! 9-11 was a brilliantly executed strike on the United States. I can't imagine anybody… I can't even imagine… Can you imagine Cheney, mumbling around, orchestrating something like that?”

“Every fall I imagine once again that something wonderful will happen at a party. This is like imagining that the telephone book will prove to be a wonderful novel.”

“In principio it is impossible to prove from experiments that something is non-existent.”