Love is the motive, but justice is the instrument.

That's why history is not an answer to our problem, because history complicates, enlarges every problem of human existence. Now, the eighteenth and nineteenth centuries didn't believe this.

All social cooperation on a larger scale than the most intimate social group requires a measure of coercion.

There are historic situations in which refusal to defend the inheritance of a civilization, however imperfect, against tyranny and aggression may result in consequences even worse than war.

To the end of history, social orders will probably destroy themselves in an effort to prove they are indestructible.

You can't say that religion or irreligion will give us a particular answer to the nuclear dilemma.

What is funny about us is precisely that we take ourselves too seriously.