The only limit to our realization of tomorrow will be our doubts of today.

有一个人从天堂来到人间旅游，他所使用的是有效三十天的减价票，他试图要把他的回程票卖掉。

Quality is not a title; it is a behavior.

我不是榜样，我只是个在摸索的人。

长期思考，短期果断行动。

Leadership in the coal industry today means navigating the delicate balance between economic necessity and environmental responsibility.

I believe in second chances because I know what it's like to need one.

可持续发展不再是可选项，而是任何希望在未来蓬勃发展的企业的必需品。