"We are all connected, and our actions have consequences that ripple through the lives of others."
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。
The true capital is the human creativity, not money.
The act of reading is an act of empathy.
If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.