If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

释义：即使官员清廉如水，也很难避免手下那些圆滑狡猾的属下所带来的麻烦或阻碍。

The city is a book written by its inhabitants.

在任何情况下都要寻找积极的一面。总有一些值得感激的事情。

"Words are the mirrors of our thoughts."

你无法取悦每个人，所以别尝试。