书是一个永远不会让你失望的朋友。
每本书都是一次新的冒险,一个新的世界去探索。
模型的目的是足够简单以便理解和使用,但又足够复杂以捕捉系统的基本特征。
Talkers are usually more articulate than doers, since talk is their specialty.
I think the reason why I am who I am today is because I went through those tough times when I was younger.