"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

Every chemical process we develop must pass three tests: Is it safe? Is it sustainable? Is it scalable?

中西文化的融合不是选择的问题，而是时代的必然。

Success is a lousy teacher. It seduces smart people into thinking they can’t lose.

Sometimes the only way to heal is to first forgive yourself.