A good picture book should be a collaboration between words and images, where each enhances the other.

To succeed, you need to create value for others, and that requires understanding what others value.

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

You have to be willing to fail to succeed.

One isn't born one's self. One is born with mass of expectations, a mass of other people's ideas.

美从功能中产生，而不是相反。

说到底，它是你和上帝之间的事，而决不是你和他人之间的事。