Nothing constructive and worthy of man's efforts ever has or ever will be achieved except by that which comes from a positive mental attitude, based on a definiteness of purpose and activated by a burning desire, and acted upon until the burning desire is elevated to the level of applied faith.
Napoleon HillWe 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 Hill