There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.
计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们首先是问题。
Technology drives progress in astronomy—better instruments lead to deeper insights.
不自重自爱便自取其辱，没有畏惧心的人招致灾祸；不自我满足的人受到裨益，不自以为是的人见多识广。
"Causal inference requires careful thought about the assumptions underlying your analysis."