Nuclear war is inevitable, says the pessimists; Nuclear war is impossible, says the optimists; Nuclear war is inevitable unless we make it impossible, says the realists.

We must become masters of our own actions and attitudes. To let another person determine whether we will be rude or gracious, elated or depressed is to give control of ourselves. The only true possession is self possession.

No one should pay attention to a man delivering a lecture or a sermon on his "philosophy of life" until we know exactly how he treats his wife, his children, his neighbors, his friends, his subordinates and his enemies.

Ignorance per se is not nearly as dangerous as ignorance of ignorance.

Honesty consists of the unwillingness to lie to others; maturity, which is equally hard to attain, consists of the unwillingness to lie to oneself.

We evaluate others with a Godlike justice, but we want them to evaluate us with a Godlike compassion.

Time is love, above all else. It is the most precious commodity in the world and should be lavished on those we care most about.