Anybody who feels at ease in the world today is a fool.

Mathematics ... is indispensable as an intellectual technique. In many subjects, to think at all is to think like a mathematician.

This is a do-it-yourself test for paranoia: you know you've got it when you can't think of anything that's your fault.

College football: I do not see the relationship of those highly industrialized affairs on Saturday afternoons to higher learning in America.

Education can be dangerous. It is very difficult to make it not dangerous. In fact, it is almost impossible.

Nobody can decide for himself whether he is going to be a human being. The only question open to him is whether he will be an ignorant undeveloped one or one who has sought to reach the highest point he is capable of attaining.

Democracy has not failed; the intelligence of the race has failed before the problems the race has raised