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

History repeats itself, but in such cunning disguise that we never detect the resemblance until the damage is done.

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

You may be sure that when a man begins to call himself a realist he is preparing to do something that he is secretly ashamed of doing.

Many a secret that cannot be pried out by curiosity can be drawn out by indifference.

When we have "second thoughts" about something, our first thoughts don't seem like thoughts at all - just feelings.

An idealist believes the short run doesn't count. A cynic believes the long run doesn't matter. A realist believes that what is done or left undone in the short run determines the long run.