A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.

Every man has a right to his own opinion, but no man has a right to be wrong in his facts.

过度捕捞的真正代价是用空荡荡的渔网和破碎的社区来衡量的。

We not only want to make cars, but also make good cars, cars that make Chinese people proud.