We have everything we need, in fact, except the most important thing of all — time to think and the habit of thought.

The justification for those actions was that we were living in a very hard, predatory, cloak-and-dagger world and that the only way to deal with a totalitarian enemy was to intimidate him. The trouble with this theory was that while we live in a world of plot and counterplot, we also live in a world of cause and effect. Whatever the cause for the decision to legitimize and regularize deceit abroad, the inevitable effect was the practice of deceit at home.

If something comes to life in others because of you, then you have made an approach to immortality.

Governments are not built to perceive large truths. Only people can perceive great truths. Governments specialize in small and intermediate truths. They have to be instructed by their people in great truths.

Do you prefer that you be right or happy?

The message from the moon which we have flashed to the far corners of this planet is that no problem need any longer be considered insoluble.

The possibility of war increases in direct proportion to the effectiveness of the instruments of war.