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

To ward off disease or recover health, people as a rule find it easier to depend on healers than to attempt the more difficult task of living wisely.

What happens in the mind of man is always reflected in the disease of his body.

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.

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

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

... 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.