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處于逆境，思想要開拓放達，奮發圖強；處于順境，思想要警覺收斂，約束自身。

當我21歲的時候我的期望降低到零。從那以后每件事情對我來說都是意外的禮物。

Natural experiments are a powerful tool for understanding causal relationships in the real world.

So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.

I'm not the next Usain Bolt or Michael Phelps. I'm the first Simone Biles.

客戶滿意度始于理解他們未說出口的需求并超越他們的期望。