人们在做事时绝不能够拖拉，不能够反复多变，不能够斤斤计较；可是替别人做事时，却特别需要耐得住拖延耽搁，耐得住反复多变，耐得住琐碎烦乱。

"The past is always with us, for it feeds the present."

The future of coal depends on balancing economic growth with environmental responsibility.

I'm a dreamer. I have to dream and reach for the stars, and if I miss a star then I grab a handful of clouds.

对认可的渴望，灵魂中的激情部分，是人格中最具政治性的部分，因为它驱使人们希望被认可为优于他人。

科学不仅仅是事实的集合；它是一种思考方式。

In business, as in life, integrity is the only currency that never loses value.