要想打败对手，就成为他们的朋友。
To combat an adversary， become their friend.
The coal industry is about people, not just profits.
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.
Science is the tool with which we unravel the mysteries of life.
It is justice, not charity, that is wanting in the world.