领导这件事是一个敏感的话题。很多领导者失败，因为他们没有足够的勇气去打破现状、振奋人心。在我的生涯中，我从没有这种担忧。

The beauty of instrumental variables is that they allow us to see the world in a new light.

You can't go back and change the beginning, but you can start where you are and change the ending.

Thanks to those who once looked down on me, making me live more brilliantly without bowing my head.

网络是我们用来创造一个更平等社会的最有力工具。

过去并未死去；它活在我们选择记住和重述的故事中。

My fans are my motivation to keep going.