American author (1883-1970)
Napoleon Hill (26 October 1883 – 8 November 1970) was an American self-help author. He is best known for his book Think and Grow Rich (1937), which is among the 10 best-selling self-help books of all time. Hill's works insisted that fervid expectations are essential to improving one's life. Most of his books were promoted as expounding principles to achieve "success".
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5. Lack of self-discipline. Discipline comes through self-control. This means that one must control all negative qualities. Before you can control conditions, you must first control yourself. Self-mastery is the hardest job you will ever tackle. If you do not conquer self, you will be conquered by self. You may see at one and the same time both your best friend and your greatest enemy, by stepping in front of a mirror.
The mind has a definite way of clothing one's thoughts in appropriate physical equivalents. Think in terms of poverty and you will live in poverty. Think in terms of opulence and you will attract opulence. Through the eternal law of harmonious attraction, one's thoughts always clothe themselves in material things appropriate unto their nature.