那些疯狂到认为自己能改变世界的人，才能真正改变世界。
The people who are crazy enough to think they can change the world are the ones who do.
A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.
The process of political decay is as natural as political development.
预测未来的最好方法就是创造未来。
"The past is a foreign country; they do things differently there."