Natural experiments can provide valuable insights into economic questions.
You have to be willing to take risks. If you’re not, you’re not going to make money.
一个领导者的遗产是由他们行动的可持续性来衡量的。
我不会让任何人对我的看法定义我是谁。
没有农民和产业工人之间的合作，任何国家都无法繁荣。
The causal revolution is about giving machines the ability to reason about the world as we do.