Maturity begins when we're content to feel we're right about something without feeling the necessity to prove someone else wrong.

The severest test of character is not so much the ability to keep a secret as it is, when the secret is finally out, to refrain from disclosing that you knew it all along.

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

The paradox of friendship is that it is both the strongest thing in the world and the most fragile. Wild horses cannot separate friends, but whining words can. A man will lay down his life for his friend but will not sacrifice his eardrums.

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

A cynic is not merely one who reads bitter lessons from the past, his is also one who is permanently disappointed in the future.

Ancient boundaries are meaningless, except for political purposes; old divisions of clan and tribe are sentimental remnants of the pre-atomic age; neither creed nor color nor place of origin is relevant to the realities of modern power to utterly seek and destroy.