我嘅信念系：做自己，总会有人欣赏。

The question isn't who is going to let me; it's who is going to stop me.

I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.

古代善于写诗的人，并不自认为是诗人。他们胸中所积累的，高深、广阔、悠远；而偶然通过诗歌表达出来，那么诗歌也因此变得高深、广阔且悠远。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

自然实验是理解现实世界中因果关系的强大工具。