You must do the things you think you cannot do.
The past is a foreign country, but we are all its citizens.
历史是对于未来最好的老师。历史书中的答案价值万金。
The best way to reduce costs is to not have them in the first place.
我对诗歌可以作为一种镜子，反映读者自己的经历和情感的方式感兴趣。