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

Modern man talks of a battle with nature, forgetting that, if he won the battle, he would find himself on the losing side

Perhaps we cannot raise the winds. But each of us can put up the sail, so that when the wind comes we can catch it.

Modern economic thinking...is peculiarly unable to consider the long term and to appreciate man's dependence on the natural world.

Anything that we can destroy, but are unable to make is, in a sense, sacred, and all our 'explanations' of it do not explain anything.

Anyone who thinks consumption can expand forever on a finite planet is either insane or an economist.

Our intentions tend to be much more real to us than our actions, and this can lead to a great deal of misunderstanding with other people, to whom our actions tend to be much more real than our intentions.