Every person who wins in any undertaking must be willing to cut all sources of retreat. Only by doing so can one be sure of maintaining that state of mind known as a burning desire to win -- essential to success.
Napoleon Hill (October 26, 1883 November 8, 1970) was an American author who was one the earliest producers of the modern genre of personal-success literature. His most famous work, Think and Grow Rich, is one of the best-selling books of all time.
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