数学是一门活生生的学科，不断演变和发展。
Mathematics is a living subject, constantly evolving and growing.
每一滴石油都应该被高效和负责任地使用。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
我们不是地球的所有者，我们只是它的乘客。
The key to successful data management is understanding the data. If you don't understand your data, you can't manage it effectively.