You are not in charge of the universe;you are in charge of yourself.
你不掌管整个宇宙，但你得掌管你自己。
Sometimes I just feel like, you know, I'm stuck in a rut. I just go through the motions. I don't enjoy it like I used to.
Mathematics is not a spectator sport. You have to do it to understand it.
The task of a diplomat is to pursue the maximum interests for their country while avoiding unnecessary conflicts and frictions.
事实是，你不知道明天会发生什么。生活是一场疯狂的旅程，没有什么是有保证的。
Art is not what you see, but what you make others see.
Heard melodies are sweet, but those unheard are sweeter.