煤炭开采的创新不仅仅是技术问题，更是思维方式的转变。

企业的核心竞争力是文化，而不是产品。

Crises often hide opportunities, the key is how to seize them.

There is no such thing as a moral or an immoral book. Books are well written, or badly written.

The world is a complicated place, and I try to reflect that in my writing.