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The Mastermind concept was introduced in the book Think and Grow Rich in the early 1900’s. Author Napoleon Hill described it as “The coordination of knowledge and effort of two or more people who work toward a definite purpose in the spirit of harmony.” In Part 2 of his video series, “Think and Grow Rich Master Keys”, he states that by using the mastermind principle, you can accomplish in 1 year what would take a lifetime to accomplish without it.
