Technological innovation is the fundamental way to solve the problems of the coal industry.

The writer's task is to name the unnameable.

世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

 “每逢你想要批评任何人的时候”，他对我说，“你就记住，这个世界上所有的人，并不是个个都有过你拥有的那些优越条件。”

天下人都说这是他们努力的结果，不会说“这是我见到了命”。 

That there are things in this world not carved out of gray stone. That there s a small place inside of us they can never lock away, and that place is called hope.

The only limits you have are the limits you believe.