Adapt or perish, now as ever, is nature's inexorable imperative.

If we don't end war, war will end us.

Moral indignation is jealousy with a halo.

In politics, strangely enough, the best way to play your cards is to lay them face upwards on the table.

Our true nationality is mankind.

The Social Contract is nothing more or less than a vast conspiracy of human beings to lie to and humbug themselves and one another for the general good. Lies are the mortar that bind the savage individual man into the social masonry.

No passion in the world is equal to the passion to alter someone else's draft.

If you don't have time to do it right, when will you have time to do it over?

Beauty is less important than quality.

Human history becomes more and more a race between education and catastrophe.