Thomas Jefferson, Henry Augustine Washington (1854). “The Writings of Thomas Jefferson: Correspondence, contin. Reports and opinions while Secretary of State”, p.238
Wallace D. Wattles (2015). “The Science of Wallace D. Wattles: The Science of Being Well, The Science of Getting Rich & The Science of Being Great – Complete Trilogy: From one of the New Thought pioneers, author of How to Promote Yourself, New Science of Living and Healing, Hellfire Harrison, A New Christ, How to Get What You Want and Jesus The Man and His Work”, p.73, e-artnow