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随机实验是因果推理的黄金标准,但它们并不总是可行的。
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
Believe in yourself even when no one else does.
成功不仅仅以利润衡量,而是以我们对社会的积极影响来衡量。
感恩会解锁其他所有的美德,而且感恩是你可以学得越来越好的事情。
Anyone who keeps the ability to see beauty never grows old.
"The hardest thing in life is to know which bridge to cross and which to burn."
"To live is to suffer, to survive is to find some meaning in the suffering."