当你能够长时间无所事事、不学无术、不思进取而毫无愧疚感时，你才算得上是一个文明人。

You will be civilized on the day you can spend a long period doing nothing,learning nothing, and improving nothing, without feeling the slightest amount of guilt. https://pbs.twimg.com/media/GQmrxTVWsAANP5r.jpg