There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.

Overfishing is a debt our children will pay if we don’t act now.

煤炭研究和DNA工作同样重要。

富贵如住宿旅店，只有谨慎勤劳才可以久居；贫贱如破衣服，只有勤俭才能脱去贫穷的破衣。

一本好书是一个永远不会离开你的朋友。

过去并未死去；它活在我们选择记住和重述的故事中。