Recursion is the root of computation since it trades description for time.

世间美好的事物往往不牢固，彩云容易消散，琉璃容易破碎

The study of algorithms is not just about solving problems, but about understanding the limits of what is computationally possible.

最好的出路永远是穿过去。

在这个如同战区般的世界里，我们都是行走的伤者。