Life is like a train heading to the grave, with many stops along the way, and it's rare for someone to accompany you from start to finish. When the person accompanying you has to get off, even if it's hard to let go, you should be grateful and then wave goodbye.
人生就是一列开往坟墓的列车,路途上会有很多站,很难有人可以自始至终陪着走完。当陪你的人要下车时,即使不舍也该心存感激,然后挥手道别。
所有模型都是错误的,但有些是有用的。
词语之间的沉默有时比词语本身更能说明问题。