I was neat, clean, shaved and sober, and I didn't care who knew it.

世界是一本书，不旅行的人只读了一页。

I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back.

生活是一场冒险，每一个挑战都是成长的机会。

对智能的研究必须基于对符号系统的研究。