When the State wishes to endow an academy or university, it grants it a tract of forest land: one saw represents an academy, a gang, a university.
(Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. "The Allegash and East Branch" (1864) in The Maine Woods (1864), in The Writings of Henry David Thoreau, vol. 3, p. 252, Houghton Mifflin (1906).)
We should conserve evil just as we should conserve the forests. It is true that by thinning and clearing the forests the earth grew warmer.
(Friedrich Nietzsche (1844-1900), German philosopher, classical scholar, critic of culture. Friedrich Nietzsche, Sämtliche Werke: Kritische Studienausgabe, vol. 10, p. 191, selection 5, number 38, eds. Giorgio Colli and Mazzino Montinari, Berlin, de Gruyter (1980). Unpublished fragments dating to November 1882February 1883.
Originally meant to be attributed to Zarathustra in Thus Spoke Zarathustra.)