There is a demon in technology. It was put there by man and man will have to exorcise it before technological civilization can achieve the eighteenth-century ideal of humane civilized life.

Human diversity makes tolerance more than a virtue; it makes it a requirement for survival.

Clearly, health and disease cannot be defined merely in terms of anatomical, physiological, or mental attributes. Their real measure is the ability of the individual to function in a manner acceptable to himself and to the group of which he is a part.

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

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.

Life is short, the art is long, the problems pressing.

One may wonder indeed whether the pretense of superior health is not itself rapidly becoming a mental aberration.