The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.

Every failure is a lesson that brings us closer to success.

The environment is not a mosaic of stimuli, but a field of forces in which every part is dynamically related to every other part.

人的喜怒哀乐的感情没有表现出来，叫做中；表现出来合乎法度，叫做和。达到中和，天地就各居自己的位置，万物也就生长了。