You have to keep thinking about what you can do to make the world a better place.

I’m not a guy that’s going to let my love for my determination down.

If you think you understand quantum mechanics, you don't understand quantum mechanics.

诗歌不是一个封闭的领域，而是一个开放的领域。

不平等并非不可避免，它是政策选择的结果。