地球上唯一伟大的是人,人身上唯一伟大的是心灵。
On earth there is nothing great but man;in the man there is nothing great but mind.
煤炭开采的创新不仅仅是技术问题,更是思维方式的转变。
General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.
The greatest courage is to love in a world full of hate.