Numerous histories about the duels of Миямото Мусаси with prominent opponents ground to assert that this was the real genius of fencing.The famous book on the military art of Мусаси wrote two years prior to death, moving away in a cave for the prosecution of the spiritual testament. Here already 300 more than this labour of famous medieval fencer is used by millions of people, an application domain extends thus from state government and military strategy bases to the methods of doing business.In Japan and row of the Asian countries "Book of five rings" is настольной for any respecting itself businessman and considered trains aid on doing business.