The strength of a state is not just its ability to coerce, but its ability to provide services and maintain legitimacy in the eyes of its citizens.

当你认识到这个世界上的美好时，你就不再是奴隶了。

Sustainability in mining isn't an option—it's a necessity for our future.

质量是精心构建的文化环境的结果。它必须是组织的结构，而不是结构的一部分。

不要一直犯同样的错误；尝试犯些新的错误。