Napoleon Hill (1883-1970) was an American author, speaker and consultant who became famous for his work "Think and Grow Rich", published in 1937. Hill believed that success was achievable for anyone who was willing to work hard and follow its principles. In his work, Hill presents 13 laws of success, which are: Desire: the first law is desire, which must be ardent and unshakable. Faith: the second law is faith, which must be unshakable in the ability to achieve your goal. Planning: the third law is planning, which must be meticulous and detailed. Action: the fourth law is action, which must be constant and persistent. Cooperation: the fifth law is cooperation, which must be sought with everyone who can help achieve your goal. Self-control: the sixth law is self-control, which must be exercised to avoid distractions and obstacles. Persistence: the seventh law is persistence, which must be maintained even in the face of failure. Spirit of decision: the eighth law is the spirit of decision, which must be firm and inflexible. Open mindset: The ninth law is open mindset, which must be cultivated to learn from others. Willpower: the tenth law is willpower , which must be developed to overcome challenges. Self-discipline: the eleventh law is self-discipline, which must be exercised to maintain focus on objectives. Ability to think big: The twelfth law is the ability to think big, which must be cultivated to achieve big goals. Ability to think positively: the thirteenth law is the ability to think positively, which must be developed to overcome obstacles.