No individual has sufficient experience, education, native ability and knowledge to ensure the accumulation of a great fortune, without the cooperation of other people.
Napoleon HillWithout doubt, the most common weakness of all human beings is the habit of leaving their minds open to the negative influence of other people.
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 HillThe super-salesman neither permits his subconscious mind to "broadcast" negative thoughts nor give expression to them through words, for the reason that he understands that "like attracts like" and negative suggestions attract negative action and negative decisions from prospective buyers.
Napoleon Hill