As long as there are human beings, there will be the idea of brotherhood -- and an almost total inability to practice it.

Knowledge fills a large brain; it merely inflates a small one.

The deepest and rarest kind of courage has nothing to do with feats or obstacles in the outside world; and, indeed, has nothing to do with the outside world - it is the courage to be who you are.

All our efforts to attain immortality-by statesmanship, by conquest, by science or the arts-are equally vain in the long run, because the long run is longer than any of us can imagine.

Regret for the things we did can be tempered by time; it is regret for the things we did not do that is inconsolable.

Once we assuage our conscience by calling something a "necessary evil", it begins to look more and more necessary and less and less evil.

Nobody can misunderstand a child as much as his own parents.