In all the martial arts, in all the performing arts and still more in all the forms of human behavior, a man’s postures or moves are based on the movements of his [invisible] mind…. In the Kage Style of swordsmanship a swordsman reads his opponent’s mind through his postures or moves…. What mind can penetrate his opponent’s mind? It is a mind that has been trained and cultivated to the point of detachment with perfect freedom. It is as clear as a mirror that can reflect the motions within his opponent’s mind…. When one stands face to face with his opponents, his mind must not be revealed in
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