黄芩无假，阿魏无真。
黄芩（唾手可得）没有造假，阿魏（稀有昂贵）容易造假。
质量会被长久记住，而价格很快被遗忘。
煤炭行业不仅仅是挖掘岩石；它是推动进步和维持社区的力量。
The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.
