文学是社会的镜子，清晰地反映出其美德和恶习。

出自《论语·宪问篇》。遇到事情，不去抱怨上天，也不要去责备别人，应当能够扪心自问，好好地反省自己。

The greatest thing in life is to keep your mind young.

Sustainable development is not an option, but a necessity for the coal sector.

史记

 金钱都是一种信仰问题。

The only way to achieve your goals is to work hard and never give up.

我不是领导者，我是追随者。