The only way to do great work is to love what you do.
A first sign of the beginning of understanding is the wish to die.
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。
创新不是从1到N,而是从0到1。
The world breaks everyone, and afterward, many are strong at the broken places.