成功是最好的复仇。
The task of the leader is to get his people from where they are to where they have not been.
系统辨识的挑战不仅在于拟合数据,还在于提取有意义且可推广的模型。
The only freedom which deserves the name is that of pursuing our own good in our own way, so long as we do not attempt to deprive others of theirs, or impede their efforts to obtain it.