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.

Either men will learn to live like brothers, or they will die like beasts.

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

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

In the end, as any successful teacher will tell you, you can only teach the things that you are. If we practice racism then it is racism we teach.

A politician wouldn't dream of being allowed to call a columnist the things a columnist is allowed to call a politician

Having a thirteen-year-old in the family is like having a general-admission ticket to the movies, radio and TV. You get to understand that the glittering new arts of our civilization are directed to the teen-agers, and by their suffrage they stand or fall.