Think and Grow Rich: The Landmark Bestseller--Now Revised and Updated for the 21st Century"" by Napolean Hill. W. Clement Stone Chairman, Combined International Corporation, and President, The Napoleon Hill Foundation says of this book, "During our ten-year association, I learned the missing number to my combination for worldwide successful achievement. The Master Mind Principle: two or more persons working together in complete harmony toward a mutual goal or goals. Napoleon Hill's philosophy teaches you what you were never taught. Specifically: How to Recognize, Relate, Assimilate and Apply principles whereby you can achieve any goal whatsoever that doesn't violate Universal Law - the Law of God and the rights of your fellow man."