Barring love and war, few enterprises are undertaken with such abandon, or by such diverse individuals, or with so paradoxical a mixture of appetite and altruism, as that group of avocations known as outdoor recreation. It is, by common consent, a good thing for people to get back to nature. But wherein lies the goodness, and what can be done to encourage its pursuit? On these questions there is  a confusion of counsel, and only the most uncritical minds are free from doubt....

Extracted from "Land Ethic" by Aldo Leopold. 1947.