因果推理需要仔细思考分析背后的假设。
"Causal inference requires careful thought about the assumptions underlying your analysis."
我们都在阴沟里，但仍有人仰望星空。
To write is to rewrite, and to rewrite is to understand.
我们看到的不是事物的本质，而是自己的倒影。
Science is not just about finding answers, but also about asking the right questions.
The only thing that can replace a work of art is another work of art.