The time to relax is when you don't have time for it.

Many married couples separate because they quarrel incessantly, but just as many separate because they were never honest enough or courageous enough to quarrel when they should have.

Man's unique agony as a species consists in his perpetual conflict between the desire to stand out and the need to blend in.

The profound immoralities of our time are cruelty, indifference, injustice and the use of others as means rather than ends in themselves.

Isolation always perverts; when a man lives only among his own sort, he soon begins to believe that his sort are the best sort. This attitude breeds both the arrogance of the conservative and the bitterness of the radical.

The primary purpose of a liberal education is to make one's mind a pleasant place in which to spend one's leisure.

Nobody can be so amusingly arrogant as a young man who has just discovered an old idea and thinks it is his own.