Chapter two deducts the whole logic system of the Ho-shang Kung Commentaries on the Lao Tzu.

第二章展开《河上公注》思想体系的逻辑推衍全过程。

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Tzu-kung asked, saying:There is a word which can be life-long line of persons or Down?

子贡问（他的老师孔子）说：“有什么话是可以终身奉行的吗?。

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