【解释】脑力劳动者统治人，体力劳动者被人统治；被统治者养活别人，统治者靠别人养活，这是通行天下的原则。

The only person you should try to be better than is the person you were yesterday.

我不认识她。

I don't need a reason to be fearless.

寻找意义的意志是人的主要动力。

The study of language is ultimately the study of the human mind.

互联网正在成为明日地球村的广场。