The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

国家是人类历史上最重要的制度。

"The magic of cinema lies in the shadows."

我认为最重要的是对自己和观众诚实。

"To understand the living, you must commune with the dead."

释义：如果计划不够周密和保密，灾祸就会先到来。