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Suzuki Shosan writes in his Roankyo the following passages, some of which have been quoted before: In training in Zen in recent years many people seem to have forgotten that Zen includes a great spirit of bravery and great strength. Therefore, those who train in Zen become tender-hearted, admirable-looking, desireless, and good-natured, but somehow they become divested of the will to respond to any unfavorable stimuli angrily enough to say, “Damn it!
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Omori Sogen (Introduction to Zen Training: A Physical Approach to Meditation and Mind-Body Training (The Classic Rinzai Zen Manual))