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

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

Equality and justice, the two great distinguishing characteristics of democracy, follow inevitably from the conception of men, all men, as rational and spiritual beings.

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.

Too few have the courage of my convictions.

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.

There is only one justification for universities, as distinguished from trade schools. They must be centers of criticism.