The key to successful identification is to find a model structure that is flexible enough to capture the essential features of the system, yet simple enough to be estimated from the available data.
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。
Thinking is a form of computation.
学习新编程语言的唯一方法就是用它来编写程序。
创新不仅仅是技术，更是改变人们的生活。
"Books are the most powerful weapons in the world."
"Love is not about possession. Love is about appreciation."
我们必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。