Lack of persistence is one of the major causes of failure. Moreover, experience with thousands of people has proved that lack of persistence is a weakness common to the majority of men. It is a weakness which may be overcome with effort.
Napoleon HillThere can never be success without happiness, and no man can be happy without dispensing happiness to others.
Napoleon HillStrong, deeply rooted desire is the starting point of all achievement. Just as the electron is the last unit of matter discernible to the scientist. DESIRE is the seed of all achievement; the starting place, back of which there is nothing, or at least there is nothing of which we have any knowledge.
Napoleon Hill