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The tripod that supported the framework of Bushido was said to be Chi, Jin, Yu, respectively Wisdom, Benevolence, and Courage. A samurai was essentially a man of action. Science was without the pale of his activity. He took advantage of it in so far as it concerned his profession of arms. Religion and theology were relegated to the priests; he concerned himself with them in so far as they helped to nourish courage.
— NITOBE INAZŌ