《吕氏春秋·纪·孟春纪》
这就像盲人虽然疼爱儿子，但却免不了让他枕在谷糠上；这就像聋子养育婴儿，正在打雷的时候却让他在堂屋里向外观望。
是师者之爱子也，不免乎枕之以糠；是聋者之养婴儿也，方雷而窥之于堂。
It is like a blind man who loves his son but cannot avoid making him sleep on chaff; it is like a deaf man who raises a baby and lets him look outside during a thunderstorm.