Self-confidence may be mistaken for egotism if it is not accompanied by humility of the heart.
Napoleon HillOne of the most essential yet the hardest truths that I have had to learn is that every person should be his own hardest task-master.
Napoleon HillA genius is simply one who has taken full possession of his own mind and directed it toward objectives of his own choosing, without permitting outside influences to discourage or mislead him.
Napoleon Hill