Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

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。

光是上帝的画笔，每时每刻都在描绘世界。

We can talk about a happening in three main ways: by describing it， by recounting its history， by telling a story about it.