Such is the audacity of man, that he hath learned to counterfeit Nature, yea, and is so bold as to challenge her in her work. – Pliny the Elder, The Natural History, translated by Philemon Holland

The use of solar energy has not been opened up because the oil industry does not own the sun. – Ralph Nader, quoted in Linda Botts, ed., Loose Talk, 1980

How can the spirit of the earth like the white man?… Everywhere the white man has touched it, it is sore. – Anonymous Wintu Woman