《北齐书·列传·卷三十》
世宗继业，到晋阳，颢祖在京留守，让德政参与掌管机密，更被亲近重用。
世宗嗣业，如晋阳，显祖在京居守，令德政参掌机密，弥见亲重。
Shizong succeeded to the throne and went to Jinyang. Haozu was left in the capital to guard. He let Dezheng participate in the management of secrets and was more closely trusted and reused.