If 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 HillSelf-confidence results, first, from exact knowledge; second, the ability to impart that knowledge.
Napoleon HillOne of the most important principles of success is developing the habit of going the extra mile.
Napoleon Hill