"Love is the only thing that can save us from ourselves, but it is also the most fragile and elusive of all emotions."

(Physics is) a good framework for thinking....Boil things down to their fundamental truths and reason up from there.

You can tell more about a person by what he says about others than you can by what others say about him.　　

我们为新南开所抱的志愿，不过是‘了解中国，服务中国’这两句话。