"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

The desire for recognition, the thymotic part of the soul, is what drives human history.

The impact of unions on wages and employment is often misunderstood.

Acting is a way to explore the human condition and to understand others better.

【译文】杀人一万，自己也要损失三千。说一句伤害别人的话，就像用刀割别人的心一样。

The best business model is a monopoly.

All writing is autobiography.

晶体管是一种等待被发明的设备。