I wish you happy, even if I'm not the reason anymore.
煤炭开采的创新不仅仅是技术问题,更是思维方式的转变。
Success is not final, failure is not fatal: it is the courage to continue that counts.
All thinking men are atheists.
I do not lack the courage to think a thought all the way through, and thus far I have encountered no thought that I have feared.
The best science often comes from unexpected places.