有些天性太过顽固而无法抑制，太过傲慢而不能屈服。

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

We are all born mad. Some remain so.

"There are two occasions when the sacred beauty of Creation becomes dazzlingly apparent, and they occur together. One is when we feel our mortal insufficiency to the world, and the other is when we feel the world's mortal insufficiency to us."

The world is a vast and lonely place. But it's also a place where you can find your own way.

Art is not a handicraft, it is the transmission of feeling the artist has experienced.

On morals: "The one thing that offends me the most is when I walk by a bank and see ads trying to convince people to take out second mortgages on their home so they can go on vacation. That's approaching evil."