Positive Influence (Official Publication of the Napoleon Hill Foundation)

Napoleon Hill spent twenty years of his life interviewing the most successful men in America in order to write the first book on the science of personal achievement. In the course of his studies, he developed seventeen success principles. These teachings explain each of them, In order, they are Definiteness of Purpose, the Master Mind Alliance, Going the Extra Mile, Applied Faith, Self-Discipline and Cosmic Habit Force. Hill often referred to these as the most important of the success principles.

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