Too few have the courage of my convictions.

The policy of repression of ideas cannot work and never has worked.

A civilization in which there is not a continuous controversy about important issues is on the way to totalitarianism and death

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.

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.

More free time means more time to waste. The worker who used to have only a little time in which to get drunk and beat his wife now has time to get drunk, beat his wife - and watch TV.