"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."

The future of food depends on our ability to balance productivity with responsibility.

韩寒评部分国人指责台球冠军丁俊晖的教育方式有问题

你知道得越多，就越意识到自己知道得多么少。

先分化，再征服。