America shudders at anything alien, and when it wants to shut its mind against any man's ideas it calls him a foreigner.

We cannot live by power, and a culture that seeks to live by it becomes brutal and sterile. But we can die without it.

To reject the word is to reject the human search.

The politics of surprise leads through the Gates of Astonishment into the Kingdom of Hope.

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.

Of the many things we have done to democracy in the past, the worst has been the indignity of taking it for granted.

Science itself is a humanist in the sense that it doesn't discriminate between human beings, but it is also morally neutral. It is no better or worse than the ethos with and for which it is used.