生存还是毁灭，这是个问题。

The architect must be a guardian of the future.

最成功的投资者是那些保持耐心和纪律的人。

The best way to cheer yourself up is to try to cheer somebody else up.

Rigor in proof is what separates mathematics from all other sciences.

The essence of causal inference is to go beyond the data and ask what would happen if we intervene.

Writing is about paying attention to the things most people overlook.

法律权利的概念是复杂的，不仅涉及规则的存在，还涉及救济的存在。