"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."
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。
创新不仅仅是创造新事物,而是要对世界产生有意义的影响。