煤炭造就了现代世界，我们有责任确保以智慧管理它的遗产。

Women love men for their defects; if men have enough of them women will forgive them everything, even their gigantic intellects.

It’s not what we do once in a while that shapes our lives, but what we do consistently.

自由不仅仅是随心所欲的机会；也不仅仅是在既定选项之间选择的机会。自由首先是制定可用选择的机会，对它们进行辩论——然后，才是选择的机会。

找到自己的最好方法就是在为他人服务中迷失自己。