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

I’m a human being and I fall in love and sometimes I don’t have control of every situation.

The only thing necessary for the triumph of evil is for good men to do nothing.

羞耻是最私密的情感，却将我们所有人联系在一起。

Don't let fear stop you from pursuing your dreams.

人惟有恐惧的时候方能勇敢。