Miyamoto Musashi (1584-1645), the greatest swordsman of his generation and perhaps the most legendary samurai warrior in history, wrote towards the end of his life, undefeated after more than sixty duels, the Book of Five Rings, one of the most astute and penetrating texts of strategic thought ever written.

Musashi offers timeless advice to future generations on achieving victory in any battlefield - through surprise, confusion, unbalancing the opponent, parrying, and quickly neutralizing them. However, the fundamental principle of his martial art lies not just in perfecting technical skill but in simultaneously sharpening perception and cultivating the warrior's spirit. The apprentice samurai must utilize their own real experiences to succeed, and their mind will aid them much more than their technique. In the same way, as one delves deeper into the principles of authentic martial art, they effortlessly gain the wisdom of life and victory in daily struggles. This is why the Book of Five Rings has been valued over the years not only by martial arts enthusiasts or those interested in Japanese culture but by anyone who regularly faces various challenges and conflicts.