货币联盟不仅仅是经济问题，还涉及政治以及各国为更大稳定性而放弃部分主权的意愿。

History taught us is that people never know learn the lessons of history.

表演的本质是在想象的环境中真实地生活。

You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

好奇心驱动科学，但道德必须引导它。