The jack-of-all-trades seldom is good at any. Concentrate all of your efforts on one definite chief aim.
Napoleon HillIf you do not believe in co-operation, look what happens to a wagon that loses a wheel.
Napoleon HillOne of the outstanding tragedies of this age of struggle and money-madness is the fact that so few people are engaged in the effort which they like best. Everyone should find his or her particular niche in the world's work, where both material prosperity and happiness in abundance may be found.
Napoleon Hill