Innovation in coal technology is just as important as innovation in any other energy sector.

"The truth has never been of any real value to any human being - it is a symbol for mathematicians and philosophers to pursue. In human relations kindness and lies are worth a thousand truths."

这些人很少不是死于自己的所长，所以说∶事业达到顶峰就难以持久。 

没有野生动物的森林就像没有音乐的交响乐。