《容斋随笔·卷十五·有若》
《史记》中的《有若传》说： 孔子亡故，弟子们因为有若的相貌近似孔子，就立他为老师。
《史记•有若传》云： 孔子没，弟子以若状似孔子，立以为师。
The Biography of You Ruo in the Records of the Grand Historian says: "When Confucius passed away, the disciples established You Ruo as their teacher because his appearance resembled that of Confucius."