"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
随机实验是因果推理的黄金标准,但它们并不总是可行的。
If you want to get smart, the question you have to keep asking is 'why, why, why?'
不能以牺牲他人自由为代价来获得持久和平。
Every role I take on is a piece of me, and I leave a piece of me in every role.