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.

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

... 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.

With reference to life there is not one nature; there are only associations of states and circumstances, varying from place to place and from time to time.

You cannot see the Milky Way in New York City any more ... We risk the loss of our sensual perception. And if you lose those, naturally, you try to compensate by other stimulations, by very loud noises, or by bright lights or drugs.

Pathological states are the consequence of several determinate factors acting simultaneously...The manifestations of any given agent differ profoundly from one person to another. ...Each noxious agent can express itself by a great variety of different pathological states. ...Different agents can elicit similar reactions. ...The total environment and the (interior medium) constitute a multifactorial system.

Sometimes the more measurable drives out the most important.