《资治通鉴·齐纪·齐纪七》
起先，北魏中尉李彪家世孤寒贫贱，在朝廷之中毫无亲援。李彪初次去代都，得知清渊人文穆公李冲喜好才能之士，就一心一意地去投靠他。
初，魏中尉李彪，家世孤微，朝无亲援；初游代都，以清渊文穆公李冲好士，倾心附之。
At first, Li Biao of the Wei dynasty was poor and humble, with no relatives and friends in the imperial court. When Li Biao first went to the capital of Dai, he learned that Li Chong, the Prince of Qingyuan, favored talented people, so he devoted himself to seeking refuge with him.