译文：借鉴前代兴衰，考察当下得失。《通鉴》的写作宗旨，直指现实关怀。

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.

最可持续的塑料是那些从一开始就不需要被制造的塑料。

The best stories are those that ask questions, not answer them.

魔力存在于文字表达和图像展示之间的空间里。