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Napoleon Hill with Douglas Fairbanks, Abner Bayley, Benjamin Franklin, H.A. Lewis, Laozi, Joseph Murphy, Henry H. Brown, Dale Carnegie, Wallace D. Wattles, Henry Thomas Hamblin, Khalil Gibran, Charles F. Haanel, Florence Scovel Shinn, Benjamin Fish Austin, Orison Swett Marden, William Crosbie Hunter, Sun Tzu, James Allen, P.T. Barnum, Ralph Waldo Emerson, Russell H. Conwell, L.W. Rogers, Samuel Smiles, Marcus Aurelius, George S. Clason, William Atkinson