Visualization exercises have been extended to various motivational courses, seminars for managers, entrepreneurs and managers in the field of economics. Napoleon Hill's American bestseller "Think and Grow Rich" has been translated and distributed worldwide. Hill admits that with every problem he addresses his late "invisible advisors": Emerson, Payne, Edison, Darwin, Lincoln, Burbank, Napoleon, Ford, Carnegie. And these appeals help him to go through many difficulties. Many businessmen have taken the following advice from Hill: "Your self-confidence is the foundation of a good life... A healthy sense of self-esteem will make you receptive to influences coming from an area that is inaccessible to knowledge through our five senses... Invisible, silent forces influence us all the time... invisible observers... I can find a faith that will incredibly increase my strength... I always know that I am the master of my life. Businessmen train their employees to use visualization to increase p