This document outlines 17 principles of personal achievement according to Napoleon Hill. The principles include definiteness of purpose, mastermind alliances, applied faith, going the extra mile, pleasing personality, personal initiative, positive mental attitude, enthusiasm, self-discipline, accurate thinking, controlled attention, teamwork, adversity and defeat, creative vision, health, budgeting time and money, and habits. Napoleon Hill was a famous author who wrote books on the laws of success and how to think and grow rich by focusing on principles of success.