无力感会腐蚀。绝对的无力感会绝对地腐蚀。

The only thing that you can control is your effort and your attitude.

每种材料都有自己的记忆和历史。

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。

The tyranny of a prince in an oligarchy is not so dangerous to the public welfare as the apathy of a citizen in a democracy.

我从不考虑未来。它来得已经够快了。