工作中的快乐使工作完美。

人工智能的未来是无监督学习。

写作就是重写。

Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

比喻做事要专心致志，不能一心二用。