Bushido (The Way of the warrior), the samurai code of ethics, was formalized in writing in the sixteenth century and adhered to for some three hundred years. Bushido placed emphasis on certain chivalrous virtues such as loyalty, courage, and courtesy.
"You have to grow from the inside out. None can teach you, none can make you spiritual. There is no other teacher but your own soul." -Swami Vivekananda (Indian Spiritual Leader of the Hindu Religion (Vedanta)