I understand the law through the operation of which my own character is developed from my own acts and thoughts; therefore, I will guard with care all that goes into its development.
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