质量从来不是偶然的；它始终是智慧努力的结果。

The coal industry must deepen supply-side structural reforms and improve supply quality.

技术不算什么。重要的是你相信人，相信他们本质上是善良和聪明的，如果你给他们工具，他们会用这些工具做出奇妙的事情。

I'm not going to limit myself just because people won't accept the fact that I can do something else.

理论见解常常导致实际突破，弥合抽象思想与现实世界应用之间的差距。

I write to make sense of the world around me.