品格是在没人看的时候做正确的事。有太多人认为唯一正确的事是蒙混过关，而唯一错误的事是被抓住。
Character is doing the right thing when nobody's looking. There are too many people who think that the only thing that's right is to get by, and the only thing that's wrong is to get caught.
"Every book is a conversation between the author and the reader."
化学之美在于它能够在分子水平上解释世界。
宇宙不仅比我们想象的更奇怪，它比我们能够想象的还要奇怪。
译文：人必须在事情上磨炼，才能立得住;才能做到安静时也安定，行动时也安定。