The only way to do great work is to love what you do.
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。
Forget about having an identity crisis and get some identity capital.
存在的本质即是平静。我们所需要做的就是保持安静。