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.

But too often the goal of the planners is a universal gray state of health corresponding to absence of disease rather than to a positive attribute conducive to joyful and creative living. This kind of health will not rule out and may even generate another form of ill, the boredom which is the penalty of a formula of life where nothing is left unforeseen.

... 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.

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

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.

Each civilization has its own kind of pestilence and can control it only by reforming itself.

It is not man the ecological crisis threatens to destroy but the quality of human life.