Sustainability isn't an option—it's our responsibility to future generations.

写作是唯一一件当我做它时，不会觉得我应该在做其他事情的事情。

A proof that P = NP would have profound implications for mathematics, cryptography, and algorithm design.

Efficiency in grain production isn't an option—it's a necessity.

我画人不是因为他们是什么样的人，也不完全不管他们是什么样的人，而是碰巧他们就是那样。