A statesman cannot afford to be a moralist.

Woe to him who teaches men faster than they can learn.

In its youth a people produce mythology and poetry; in its decadence, philosophy and logic.

The most interesting thing in the world is another human being who wonders, suffers and raises the questions that have bothered him to the last day of his life, knowing he will never get the answers.

War is one of the constants of history, and it has not diminished with civilization or democracy.

Every vice was once a virtue, and may become respectable again, just as hatred becomes respectable in wartime.

Civilizaton is the interval between Ice Ages.