Arthur Conan Doyle / Dale Carnegie / Benjamin Franklin / Charles F. Haanel / Florence Scovel Shinn / Wallace D. Wattles / James Allen / Lao Tzu / Khalil Gibran / Abner Bayley / P.T. Barnum / Marcus Aurelius / Henry Thomas Hamblin / Joseph Murphy / William Crosbie Hunter / Ralph Waldo Emerson / Henry H. Brown / Russell H. Conwell / William Atkinson / B.F. Austin / H.A. Lewis / L.W. Rogers / Douglas Fairbanks / Sun Tzu / Samuel Smiles | 