...Search for the cause may be a hopeless pursuit because most disease states are the indirect outcome of a constellation of circumstances.

... men as a rule are more preoccupied with the dangers that threaten their life than interested in the biological forces on which they depend for a constructive existence.

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

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.

Social evolution may be the result of intention, but it rarely, if ever, produces the result intended.

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.

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