Denis Waitley Quotes
Personal development is the belief that you are worth the effort, time, and energy needed to develop yourself.
Citations
Waitley, Denis. The Psychology of Winning. Berkley Books, 1979.
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Denis E. Waitley (born 1933), is an American motivational speaker, writer and consultant. He has been recognized as the best-selling author of the audio series, The Psychology of Winning and books such as "Seeds of Greatness" and "The Winner's Edge". Waitley has been inducted into the International Speakers' Hall of Fame.