The author of Budo Sho Shin Shu is unknown. What is known is that this 17th century text written for the education and guidance of Japanese warriors delineates the ethics, morality, and daily duties of a class of people dedicated to honor and courage. Explored is the dilemma of what it means to be a samurai in Japan, when there are no battles to be fought, a paradox Daidoji Yuzan set about to address during peacetime. This text, written for the education and guidance of Japanese warriors, sets down rules intended to delineate their obligations, ethics, morality and daily duties.