The Power of Positive Thinking of followers testified that Peale’s message changed their lives for the better and represented the best combination of faith and pragmatism.” This is evidenced by the popularity of Peale's book, which sold more than 5 million copies worldwide and was eventually translated into over 40 languages. In addition, Peale was close friends with American presidents Eisenhower and Nixon, both of which highly regarded his positive thinking teachings. Countless others accredited "The Power of Positive Thinking" for their success in overcoming obstacles including George Foster, of the Cincinnati Reds, Rev. Robert Schuller, founder and pastor of the Crystal Cathedral in Garden
Positive mental attitude harm or distress" while 34 reported "benefit without harm". Positive mental attitude Positive mental attitude (PMA) is a concept first introduced in 1937 by Napoleon Hill in the book "Think and Grow Rich". The book never actually uses the term, but discusses about the importance of positive thinking as a contributing factor of success. Napoleon, along with W. Clement Stone, founder of Combined Insurance, later wrote "Success Through a Positive Mental Attitude," defines positive mental attitude as comprising the 'plus' characteristics represented by words as faith, integrity, hope, optimism, courage, initiative, generosity, tolerance, tact, kindliness and good common sense. Positive