释义：在昏暗不明的环境中，若仍能保持光明的心境，内心就能像青天白日一样明亮无染。

"Regulation is necessary, but too much can be harmful."

"The act of writing is an act of hope."

The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.

教育体系是以感官基础，以思考为过程，以自由为目的。