Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.

我们都是不同的，但我们共享同样的人类精神。也许适应和生存是人的本性。

国君自以为神圣聪明，而不去咨询官吏，自以为国家安定强大，而不注重防守，周围的邻国图谋侵略他却不知道戒备。 

The only thing that you absolutely have to know is the location of the library.

解释：花开得好看，但不结果实，比喻中看不中用，形式华丽而没有实际内容，是耻辱。