要理解递归，首先必须理解递归。
To understand recursion, one must first understand recursion.
The greatest glory is not in never falling, but in rising every time we fall.
在你来得及描述它之前，一个瞬间就已经消逝了。
I'm not a day, I'm a night.
"The act of remembering is a way of reclaiming our history and asserting our presence in the world."