If you do not believe in co-operation, look what happens to a wagon that loses a wheel.
Napoleon HillPeople who do not succeed have one distinguishing trait in common. They know all the reasons for failure, and have what they believe to be air-tight alibis to explain away their own lack of achievement.
Napoleon HillYou have a tremendous advantage over the man who does you an injury: You have it within your power to forgive him, while he has no such advantage over you.
Napoleon HillOne of the main weaknesses of mankind is the average man's familiarity with the word 'impossible.
Napoleon Hill