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.222, e-artnow
"The Constitution of Liberty". Book by Friedrich Hayek. Part III: "Freedom in the Welfare State". Chapter 17: "The Decline of Socialism and The Rise of the Welfare State", 1960.
Michel de Montaigne, William Hazlitt, Orlando Williams Wight (1866). “Works of Michael de Montaigne: Comprising his essays, journey into Italy, and letters”, p.357