法律规则不是自我执行的；它们需要人的代理才能生效。
Legal rules are not self-executing; they require human agency to be effective.
The man who does not value himself, cannot value anything or anyone.
In saying that someone did something， we may be doing something ourselves.
To do mathematics is to engage in an act of creation and discovery simultaneously.
数学家是将咖啡转化为定理的装置。
诚信是企业的基石，没有诚信就没有信任。
最令人兴奋的突破往往来自跨学科研究。