A strong, successful man is not the victim of his environment. He creates favorable conditions. His own inherent force and energy compel things to turn out as he desires. – Orison Swett Marden

The victory of Christianity over paganism was the greatest psychic revolution in the history of our culture. By destroying pagan animism, Christianity made it possible to exploit nature in a mood of indifference to the feelings of natural objects. – Lynn I. White, Jr., Science, 10 March 1967

Zoos are becoming facsimiles – or perhaps caricatures – of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all. – Michael Fox, Sierra, November-December 1990

Time and space – time to be alone, space to move about – these may well become the great scarcities of tomorrow. – Edwin Way Teale, Autumn Across America, 1956