伟大的敌人是优秀。

To any artist, worthy of the name, all in nature is beautiful, because his eyes, fearlessly accepting all exterior truth, read there, as in an open book, all the inner truth.

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

You have to be comfortable making decisions with imperfect information.

我喜欢与众不同。我不想和其他人一样。

The stock market is filled with individuals who know the price of everything, but the value of nothing.