Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
看不见的手之所以常常看不见,是因为它常常不存在。
The process of doing mathematics is more important than the result.
可是我想念你,珍妮。如果你想要什么,我就在你身边。
我们要坚持开放合作,实现互利共赢。