Hustle hard, die empty.
"Causal inference requires careful thought about the assumptions underlying your analysis."
要摧毁一种文化，你不必烧书，只要让人们停止阅读它们。
"I think that the only way to deal with life is to find something that you love and do it with all your heart."
The best banking service is invisible but always available.
The first duty of a revolutionary is to be educated.