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

Sometimes the more measurable drives out the most important.

The very process of living is a continual interplay between the individual and his environment, often taking the form of a struggle resulting in injury or disease.

In man, at least, satisfaction is commonly followed by boredom.

Think globally, act locally": "Our salvation depends upon our ability to create a religion of nature.

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.