To those who do not know mathematics it is difficult to get across a real feeling as to the beauty, the deepest beauty, of nature ... If you want to learn about nature, to appreciate nature, it is necessary to understand the language that she speaks in.

The first principle is that you must not fool yourself and you are the easiest person to fool.

I learned from her that every woman is worried about her looks, no matter how beautiful she is.

You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like they expect me to be. It's their mistake, not my failing.

The exception tests the rule.

Don't think about what you want to be, but what you want to do. Keep up some kind of a minimum with other things so that society doesn't stop you from doing anything at all.

The inside of a computer is as dumb as hell but it goes like mad!