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.

It is not the armed forces which can protect our democracy. It is the moral strength of democracy which alone can give any meaning to the efforts at military security.

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.

There are some who become spies for money, or out of vanity and megalomania, or out of ambition, or out of a desire for thrills. But the malady of our time is of those who become spies out of idealism.

To deaden yourself against any hurt is to deaden yourself also against the hurt of others.

It is almost as easy to be enervated by triumph as by defeat.

Small wars are always teetering on the brink of becoming big ones.