“When a student comes and asks, "Should I become a mathematician?" the answer should be no. If you have to ask, you shouldn't even ask.”
“In other words, general set theory is pretty trivial stuff really, but, if you want to be a mathematician, you need some and here it is; read it, absorb it, and forget it.”
“The best way to learn is to do; the worst way to teach is to talk.”
“It’s not in asking you should fear.Fear comes when you don’t ask.”
“This is a question too difficult for a mathematician. It should be asked of a philosopher"(when asked about completing his income tax form)”
“[When asked why are numbers beautiful?]It’s like asking why is Ludwig van Beethoven’s Ninth Symphony beautiful. If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is.”
“When ... asked what I am writing, I have answered, "A book about social class in America," ... It is if I had said, "I am working on a book urging the beating to death of baby whales using the dead bodies of baby seals.”