The mind becomes withered, stagnant, narrow and closed unless it searches for new ideas.
Napoleon HillThe single most influential force that controls your attitudes, beliefs, capabilities and emotions is repetition - the words you silently use, over and over again, in your internal dialogue with yourself.
Napoleon HillIf you think you are beaten you are, if you think you dare not, you don't. If you like to win, but you think you can't, it is almost certain you won't.
Napoleon Hill