A proof is a device for convincing someone else that a mathematical statement is true.

最重要的是永远不要停止提问。

I write to make sense of my own existence.

通往成功的道路总是在建设中。

创新不仅仅是技术的问题，而是改变人们思考和行动的方式。

Sustainable forestry isn't just about cutting trees, it's about growing civilizations.