If I limit myself to knowledge that I consider true beyond doubt, I minimize the risk of error but I maximize, at the same time, the risk of missing out on what may be the subtlest, most important and most rewarding things in life.

Wisdom demands a new orientation of science and technology toward the organic, the gentle, the elegant and beautiful.

I certainly never feel discouraged. I can't myself raise the winds that might blow us or this ship into a better world. But I can at least put up the sail so that when the winds comes, I can catch it.

Everything can be seen directly except the eye through which we see.

The system of nature, of which man is a part, tends to be self-balancing, self-adjusting, self-cleansing. Not so with technology.

Few can contemplate without a sense of exhilaration the splendid achievements of practical energy and technical skill, which, from the latter part of the seventeenth century, were transforming the face of material civilization, and of which England was the daring, if not too scrupulous, pioneer.

The heart of the matter, as I see it, is the stark fact that world poverty is primarily a problem of two million villages, and thus a problem of two thousand million villagers.