The way to prevent war is to bend every energy toward preventing it, not to proceed by the dubious indirection of preparing for it.

Man's will creates the things that paralyze his brain and brutalize his heart.

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

Next to the striking of fire and the discovery of the wheel, the greatest triumph of what we call civilization was the domestication of the human male.

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

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.

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.