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.

There is no crime in the cynical American calendar more humiliating than to be a sucker.

America is a passionate idea or it is nothing. America is a human brotherhood or it is chaos.

The tourist who moves about to see and hear and open himself to all the influences of the places which condense centuries of human greatness is only a man in search of excellence.

If you mean by capitalism the God-given right of a few big corporations to make all the decisions that will affect millions of workers and consumers and to exclude everyone else from discussing and examining those decisions, then the unions are threatening capitalism.

When you are seventeen you aren't really serious.

It is not science that has destroyed the world, despite all the gloomy forebodings of the earlier prophets. It is man who has destroyed man.