Having less is more; contentment leads to happiness.

We need to design policies that work with human psychology, not against it.

长期来看，只有真正创造价值的人才能生存。

What you do on your bad days matters more than what you do on your good days.

The only way to learn mathematics is to do mathematics.

I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be.