质量从来不是偶然，它始终是智慧努力的结果。

衡量矿业公司成功的真正标准是其如何平衡利润与环境责任。

I'm the reason your silence won't break.

Sustainability is not a destination, but a journey that requires continuous improvement and innovation.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

国际体系本质上是竞争性的，国家不断试图互相超越。

想象就是一切，知识却什么都不是。