A young mistress is better than an old master.

The third peculiarity of aerial warfare was that it was at once enormously destructive and entirely indecisive.

Strength is the outcome of need; security sets a premium on feebleness. The work of ameliorating the conditions of life -- the true civilizing process that makes life more and more secure -- had gone steadily on to a climax... And the harvest was what I saw.

But I was too restless to watch long; I'm too Occidental for a long vigil. I could work at a problem for years, but to wait inactive for twenty-four hours - that's another matter.

Face this world. Learn its ways, watch it, be careful of too hasty guesses at its meaning. In the end you will find clues to it all.

We have learned now that we cannot regard this planet as being fenced in and a secure abiding place for Man we can never anticipate the unseen good or evil that may come upon us suddenly out of space.

If we do not end war - war will end us. Everybody says that, millions of people believe it, and nobody does anything.