Age Quotes - Page 257
Robert H. Schuller (1988). “Living Positively One Day at a Time”, Berkley
Robert Green Ingersoll (1907). “The Works of Robert G.Ingersoll. [Dresden Ed.]”
Presidential Candidacy Announcement, delivered 13 August 2011, Charleston, South Carolina
"The Bridge Across Forever: A True Love Story". Book by Richard Bach, 1984.
Ralph Waldo Emerson (1981). “The Portable Emerson: New Edition”, p.179, Penguin
"La Philosophie comme manière de vivre: Entretiens avec Jeannie Carlier et Arnold I. Davidson" by Pierre Hadot, Jeannie Carlier, Arnold I. Davidson, Paris: Albin Michel, translated by Michael Chase, (p. 90), 2001.
Paulo Coelho (1998). “The Alchemist - 10th Anniversary Edition”, HarperSanFrancisco
Paul Robeson, Philip Sheldon Foner (1978). “Paul Robeson speaks: writings, speeches, interviews, 1918-1974”, Brunner-Routledge