矿工的安全永远不应该用成本效益分析来衡量。

We live among myths, and sometimes we don’t even realize it.

"Dreams don't work unless you do."

Character is the sum of one's habits.

书籍是最终的被抛弃者：放下它们，它们会永远等你；关注它们，它们总是会回报你的爱。

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.

世界是一个充满痛苦的地方，唯一的逃避方式是通过爱。