All achievement, no matter what may be its nature, or its purpose, must begin with an intense, burning desire for something definite.
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 HillAll great truths are simple in final analysis, and easily understood; if they are not, they are not great truths.
Napoleon Hill