《国语·晋语·胥臣论教诲之力》
直胸的残疾人不能让他俯身，驼背不能让他仰头，小种人不能让他举重物，矮子不能让他攀高，瞎子不能让他看东西，哑巴不能让他说话，聋子不能让他听音，糊涂人不能让他出主意。
蘧蒢不可使俯，戚施不可使仰，僬侥不可使举，侏儒不可使援，矇瞍不可使视，嚚瘖不可使言，聋聩不可使听，童昏不可使谋。
A man with a crooked chest cannot be told to bend down. A hunchback cannot be told to hold his head high. A short man cannot be told to lift heavy things. A short person cannot be told to climb to a high place. A blind man cannot be told to watch. A dumb person cannot be told to speak, a deaf person cannot be told to listen to sound, and a fool cannot be told to give advice.