To understand recursion, one must first understand recursion.
要理解递归，首先必须理解递归。
写作是一种不被中断的说话方式。
海洋的化学是一种我们才刚刚开始理解的语言。
The key to success is to get out into the store and listen to what the associates have to say.
When you believe in yourself, you can do anything.
Every piece of fruit tells a story - from the soil it grew in to the hands that harvested it.
The only way to truly change is to change your environment.
