Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.

Innovation in mining technology isn't optional - it's essential for our survival and growth.

如果你问一个经济学家，什么驱动着经济增长，他定会提出一些慎重的意见作为答复——农业机械化、大规模生产，诸如此类。但问题是，我们的社会组织不是靠这些事情建立起来的。

我们必须平衡短期收益与长期愿景。

Transparency in reporting our environmental impact isn't just good practice - it's our obligation to stakeholders.

The only real failure in life is not to be true to the best one knows.

学习的魅力主要在于心灵在获取知识时体验到的满足感。

语言是人类拥有的最强大的武器。