离别多年后，抑或再相逢。相逢何所语，泪流默无声。

过去是一个陌生的国度；那里的人们做事方式不同。

Dealing with failure is easy: Work hard to improve. Success is also easy to handle: You've solved the wrong problem. Work hard to improve.

Diversity in species and systems isn’t complexity—it’s insurance.

写作是记住，而阅读是忘记。

算法是计算的诗篇。