The most important pathological effects of pollution are extremely delayed and indirect.

... each type of civilization has had diseases peculiar to it and at each period the various social groups in any community also have differed in this regard.

The most important pathological effects of pollution are extremely delayed and indirect.

A sense of continuity with the rest of creation is a form of religious experience essential to sanity.

The earth is literally our mother, not only because we depend on her for nurture and shelter but even more because the human sepcies has been shaped by her in the womb of evolution. Our salvation depends upon our ability to create a religion of nature.

The mechanisms of vis medicatrix naturæ—the most healing power of nature—are so effective that most diseases are self-terminating.

Biologically, man is still the great amateur of the animal kingdom; he is unique in his lack of anatomical and physiological specialization.