The Bushido Code, or Hagakure (Hidden in the Leaf), was written by Yamamoto Tsunetomo (1659-1719), a samurai from the Saga clan on the island of Kyushu. After the death of his lord Nabeshima, Naosige Yamamoto became a monk and devoted his entire life to the generalization of the principles of the Way of the Samurai, as well as honor and loyalty to his lord.