I don't take no for an answer.

The essence of causal inference is to go beyond the data and ask what would happen if we intervene.

对于自己没有获得2009年诺贝尔奖的反应

因为，一个人可以同时是忠实的，又是懒惰的。

I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm. Just let you know that, you're not alone.

什么是卓越的品行？即日常的行事；什么是德高之人？是小心谨慎的人；怎么样才能够明了德义努力去做？惟有虚心学习；如何才能实现远大的抱负？只有对当前的问题深思熟虑。

"To write is to confront the chaos of existence and impose some order upon it."

写作对我来说就像呼吸一样——我必须靠它生存。