I don’t think you should spend much time being unhappy about the bad breaks. You get a lot of them, but you also get a lot of good ones. The thing to do is just to maximize your odds of using the good ones and minimizing the effects of the bad ones.

谨记自己总会死去，是让自己避免陷入“人生有所失”思考的最佳方法。

自然实验可以为经济问题提供有价值的见解。