American mystic CHARLES FILLMORE (1854-1948) was a founder of Unity Church, part of the early "New Age" movement called New Thought that was popular in the late 19th and early 20th centuries. Unity adheres to a "positive, practical Christianity," and this 1940 edition embodies that philosophy: it preaches that poverty is a sin, and that God wants us to be rich.a strain that has been picked up by some modern fundamentalist preachers in a way not entirely faithful to Fillmore's beliefs. Fillmore's lessons encompass.Fillmore's lessons encompass.. Spiritual Substance, the Fundamental Basis of the Universe. Spiritual Mind, the Omnipresent Directive Principle of Prosperity. Faith in the Invisible Substance, the Key to Demonstration. Man, the Inlet and Outlet of Divine Mind. The Law That Governs the Manifestation of Supply. Wealth of Mind Expresses Itself in Riches. God Has Provided Prosperity for Every Home. God Will Pay Your Debts. Tithing, the Road to Prosperity. Right Giving, the Key to Abundant Receiving. Laying Up Treasures. Overcoming the Thought of Lack