Mathematics is the art of giving the same name to different things.
数学是为不同事物赋予相同名称的艺术。
"There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best."
我为我所信仰的东西挺身而出,而我信仰很多东西。
The present is a fragile bridge between the past and the future.
你的时间有限,不要浪费在过别人的生活上。
未来属于那些相信自己梦想之美的人。
I think it's important to have a good hard failure when you're young... I learned a lot from that. Because it makes you kind of aware of what can happen to you. Because of it, I've never had any fear in my whole life when we've been near collapse and so on. I've never been afraid.