Men take on the nature and the habits and the power of thought of those with whom they associate in a spirit of sympathy and harmony.
Napoleon HillKnowledge is only potential power. It becomes power only when, and if, it is organized into definite plans of action, and directed to a definite end.
Napoleon HillIf you neglect to exercise self-control, you are not only likely to injure others, but you are sure to injure yourself!
Napoleon HillIf the first plan which you adopt does not work successfully, replace it with a new plan; if this new plan fails to work, replace it in turn with still another, and so on, until you find a plan which does work. Right here is the point at which the majority of men meet with failure, because of their lack of persistence in creating new plans to take the place of those which fail.
Napoleon Hill