" I dealt with so recklessly some years ago in my books Philosophy and the Social Problem (1917), The Story of Philosophy (1926), Transition (1927), The Mansions (or Pleasures) of Philosophy (1929), and On the Meaning of Life (1932). I know that life is in its basis a mystery; a river flowing from an unseen source and in its development an infinite subtlety; a “dome of many-colored glass,” too complex for thought, much less for utterance. "

― Will Durant , Fallen Leaves: Last Words on Life, Love, War, and God