Law is a system of rules, a union of primary rules of obligation and secondary rules of recognition, change, and adjudication.
法律是一个规则系统，是义务的主要规则与承认、变更和裁决的次要规则的结合。
定义就是限制。
The most important thing a woman can do for her children is to love their father.
做学问的人应当以确立诚信为根本，修饰言辞为次要。
释义：有了过错却不知道的人是被蒙蔽，迷失了方向还不返回的人是迷惑。这是对自知之明与迷途知返重要性的阐述。