I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority. – Elwyn Brooks White, Essays of E.B. White, 1977

Man has lost the capacity to foresee and to forestall. He will end by destroying the earth. – Albert Schweitzer, quoted in James Brabazon, Albert Schweitzer

The word “wilderness” occurs approximately three hundred times in the Bible, and all its meanings are derogatory. – René Dubos, The Wooing of Earth, 1980

Your outlook upon life, your estimate of yourself, your estimate of your value are largely colored by your environment. Your whole career will be modified, shaped, molded by your surroundings, by the character of the people with whom you come in contact every day… – Orison Swett Marden