钢琴是我的初恋。

I don’t like to be put in a box. I like to be free.

因果推断的本质是超越数据，询问如果我们干预会发生什么。

There is no such thing as society: there are individual men and women, and there are families.

创新不仅仅是新工具，更是新的思维方式。