"The art of writing is the art of discovering what you believe."

The more you know who you are, and what you want, the less you let things upset you.

我们都在阴沟里，但仍有人仰望星空。

Sustainability isn't a choice—it's our responsibility to future generations.

加强国际合作，推动煤炭行业技术和管理水平的提升。