可持续发展不仅是一种趋势,更是一种责任。
You can't just sit there and wait for life to come to you. You have to go get it.
A mathematician is a device for turning coffee into theorems.
我相信:个人自由的探索精神是世界上最宝贵的东西。我会为此而战:思想的自由,可以朝任何它希望的方向发展,不受指引。
I don’t see myself as a superstar. I see myself as a normal guy who loves tennis.