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The concept of law involves the union of primary and secondary rules.
法律的概念涉及主要规则和次要规则的结合。
The world might be mean, but people don't have to be.
孔子说:“经常学习,不也喜悦吗?远方来了朋友,不也快乐吗?得不到理解而不怨恨,不也是君子吗?”