An attitude to life which seeks fulfillment in the single-minded pursuit of wealth - in short, materialism - does not fit into this world, because it contains within itself no limiting principle, while the environment in which it is placed is strictly limited.

Eagles come in all shapes and sizes, but you will recognize them chiefly by their attitudes.

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

Our ordinary mind always tries to persuade us that we are nothing but acorns and that our greatest happiness will be to become bigger, fatter, shinier acorns; but that is of interest only to pigs. Our faith gives us knowledge of something better: that we can become oak trees.

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.

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.

There can be nothing sacred in something that has a price.