The so-called lessons of history are for the most part the rationalizations of the victors. History is written by the survivors.

God is what man finds that is divine in himself. It is the best way man can behave in the ordinary occasions of life, and the farthest point to which man can stretch himself.

The problem of freedom in America is that of maintaining a competition of ideas, and you do not achieve that by silencing one brand of idea.

We demand of our political life greater certainty and greater perfection than we demand of our personal life.

Man must be at once more humble and more confident; more humble in the face of destructive potentials of what he can achieve, more confident of his own humanity as against computers and robots which are only engines to simulate him.

I am neither an optimist nor pessimist, but a possibilist.

To reject the word is to reject the human search.