Sustainability is not just a trend, it's a responsibility.

真正的智慧在于承认自己的无知。

The more we learn about black holes, the more we realize how much we still don’t know.

数学的快乐来自创造的行为，而不仅仅是结果。

The mind is not a vessel to be filled, but a fire to be kindled.

我感激每一刻，每一次经历。

国际体系本质上是竞争性的，国家不断试图互相超越。