The generosity of the Earth allows us to feed all mankind; we know enough about ecology to keep the Earth a healthy place; there is enough room on the Earth, and there are enough materials, so that everybody can have adequate shelter; we are quite competent enough to produce sufficient supplies of necessities so that no one need live in misery.

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

The way in which we experience and interpret the world obviously depends very much indeed on the kind of ideas that fill our minds. If they are mainly small, weak, superficial, and incoherent, life will appear insipid , uninteresting, petty and chaotic.

Many have no desire to be in it, because their work does not interest them, providing them with neither challenge nor satisfaction, and has no other merit in their eyes than that it leads to a pay-packet at the end of the week.

Man's needs are infinite, and infinitude can be achieved only in the spiritual realm, never in the material.

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.

I cannot predict the wind but I can have my sail ready.