对于每一位专家，都会有一个同等的或者完全相反的专家。但对于每一个事实，并不一定就有一个同等的或者相反的事实存在。
The world is a book, and those who do not travel read only one page.
In the end, it is not the answers that matter, but the questions we ask, the journey we take, the search for truth.
Innovation in coal technology is just as important as innovation in any other energy sector.
Your brain is your most important asset; take care of it.
文学是一种抵抗，是对不公正和压迫的反抗。