Never give up on something you really want. It's difficult to wait, but more difficult to regret.
永远不要放弃你真正想要的东西。等待很难,但后悔更难。
The stock market is filled with individuals who know the price of everything, but the value of nothing.
最难的事情是接受你不是自己故事中的英雄。
The Internet is a global resource that should be managed for the public good.
成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。