有难不死，出亡不送。
晏子春秋
接受责任的能力是衡量一个人的标准。
The tyranny of the magistrate is not less formidable than that of the multitude.
You have to stay true to yourself and your vision.
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
The future of coal lies in clean and efficient utilization.
"In the end, we will remember not the words of our enemies, but the silence of our friends."
Mathematics is an art, and as an artist, you have to be honest with yourself.