Miyamoto Musashi is considered one of the greatest samurais to every live.

Seven days before his death he wrote two books: Dokkōdō and The Book of Five Rings.

He wrote Dokkōdō or “21 Precepts on Self-Discipline to Guide Future Generations“ (also known as “The Path of Aloneness”. “The Way to Go Forth Alone”, or “The Way of Self-Reliance“)