Technology made large populations possible; large populations now make technology indispensable.

In our hearts those of us who know anything worth knowing know that in March a new year begins, and if we plan any new leaves, it will be when the rest of Nature is planning them too.

Love is ...not a fact in nature of which we become aware, but rather a creation of the human imagination.

We need some contact with the things we sprang from. We need nature at least as a part of the context of our lives. Without cities we cannot be civilized. Without nature, without wilderness even, we are compelled to renounce an important part of our heritage.

The most important part of our lives-our sensations, emotions, desires, and aspirations-takes place in a universe of illusions which science can attenuate or destroy, but which it is powerless to enrich.

A humanist is anyone who rejects the attempt to describe or account for man wholly on the basis of physics, chemistry or animal behaviour.

The wilderness and the idea of wilderness is one of the permanent homes of the human spirit.