Bok av James Allen,Ralph Waldo Emerson,Joseph Murphy,Wallace D. Wattles,Benjamin Franklin,Khalil Gibran,Marcus Aurelius,Douglas Fairbanks,Lao Tzu,Sun Tzu,Russell H. Conwell,Dale Carnegie,Florence Scovel Shinn,Charles F. Haanel,P.T. Barnum,Orison Swett Marden,Samuel Smiles,L.W. Rogers,Henry Thomas Hamblin,W
