"The credibility of your results depends on the plausibility of your identifying assumptions."

I think the best thing you can do is to be true to yourself and to be honest with yourself.

"Education is the kindling of a flame, not the filling of a vessel."

天才就像金子：必须从矿藏中开采出来。

A sustainable coal industry is possible if we commit to the right technologies.

No, not rich. I am a poor man with money, which is not the same thing.