"A good book is a friend that never leaves you."

"Causal inference requires careful thought about the assumptions underlying your analysis."

Life is full of possibilities, death is final.

争论不应该是煤炭与可再生能源的对立，而应是如何让两者都变得更好。

不要让自己成为别人的影子，要敢于做真实的自己。