No society has ever yet been able to handle the temptations of technology to mastery, to waste, to exuberance, to exploration and exploitation... We have to learn to cherish this earth and cherish it as something that's fragile, that's only one, it's all we have... We have to use our scientific knowledge to correct the dangers that have come from science and technology.

Warfare ... is just an invention, older and more widespread than the jury system, but none the less an invention.

Interest and proficiency in almost any one activity-swimming, boating, fishing, skiing, skating-breed interest in many more. Once someone discovers the delight of mastering one skill, however slightly, he is likely to try out not just one more, but a whole ensemble.

In this country, some people start being miserable about growing old while they are still young.

Many people are shrinking from the future and from participation in the movement toward a new, expanded reality. And, like homesick travelers abroad, they are focusing their anxieties on home. The reasons are not far to seek. We are at a turning point in human history. . . . We could turn our attention to the problems that going to the Moon certainly will not solve ... But I think this would be fatal to our future. . . . A society that no longer moves forward does not merely stagnate; it begins to die.

We will be a better country when each religious group can trust its members to obey the dictates of their own religious faith without assistance from the legal structure of the country.

Manners, really good ones, make it possible to live with almost anyone, gracefully and pleasantly.