定理是数学的永久文献。

Music is the universal language. It's the one thing that can bring people together no matter where they're from.

有时，最伟大的反抗行为仅仅是记住。

Responsible forestry isn't about limiting progress—it's about redefining what progress means.

真正的困难不在于构思新想法，而在于摆脱旧观念。