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The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
内心守静而不生差错,不让外物扰乱五官,不让五官扰乱内心,这就叫做心中有所得。
创新不应为了创新而创新,它必须服务于真正的目的。