要理解一个生命，必须先理解它所处的时代。
To understand a life, one must first understand the age in which it was lived.
The more you know, the more you realize you don't know.
Lisp语言被设计成可扩展的，很容易为其添加新功能。
I like to buy stocks that are out of favor. If a stock is in favor, it's probably overpriced.
The child is not a passive recipient of knowledge but an active participant in the learning process.
The quality of an organization's adaptability determines the quality of its survival.