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。
Law is a system of rules, a union of primary rules of obligation and secondary rules of recognition, change, and adjudication.
The most beautiful things come from the heart.
我认为，人生中最快乐的时刻是出发前往未知的土地。
The worst thing in the world that can happen to you if you're an engineer that has given your life to something is for someone to rip it off and put their name on it.
We are all visitors to this time, this place. We are just passing through. Our purpose here is to observe, to learn, to grow, to love... and then we return home.
我们为新南开所抱的志愿，不过是‘了解中国，服务中国’这两句话。