《北史·列传·卷六》
孝文帝十分高兴地说 ：任城康王真有福气和积德，文武人才都出自他一门。 
帝大悦曰： 任城康王大有福德，文武顿出其门。 
Xiaowen Emperor was so pleased that he said: Ren Cheng Kang has such great fortune and accumulated virtue. People with talent both in literature and martial arts all come from his family.