The rule of recognition is the ultimate rule in a legal system, which identifies the criteria for valid law.
承认规则是法律体系中的终极规则，它确定了有效法律的标准。
经济周期不仅仅是围绕某个平滑趋势的波动，而是经济受到根本性冲击的结果。
Our license to operate depends as much on social acceptance as it does on technical capability.
The biggest mistake you can make is thinking you know everything.
Mathematics is not just a collection of abstract concepts, but a language that allows us to understand the universe.
一个故事可以改变世界，一次一个读者。