"Causal inference requires careful thought about the assumptions underlying your analysis."
想到自己可能成为从世界上消除最大灾难之一的工具,同时怀有享受独立、家庭和平与幸福的希望,这种喜悦常常如此强烈,以至于在草地上研究我喜爱的课题时,我有时会陷入一种遐想。
艺术不在于你看到了什么,而在于你让别人看到了什么。
The next breakthrough won't come from doing things better, but from doing better things.