Do what you can wherever you are， from wherever you sit in life. Give me your time or your talent your money if you have it.

The mind is a system of coordinated activities.

质量不是一个部门；它是一种心态。

煤炭行业必须发展以满足现代环境标准，否则将被淘汰。

到最后，我们只会后悔没有抓住的机会。