We do not have to wait for future discoveries in connection with the powers of the human mind for evidence that the mind is the greatest force known to mankind. We know, now, that any idea, aim or purpose that is fixed in the mind and held there with a will to achieve or attain its physical or material equivalent, puts into motion powers that cannot be conquered.
Napoleon HillThe great leaders of business, industry and finance, and the great artists, poets, musicians and writers all became great because they developed the power of self-motivation .
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