《新唐书·列传·卷一百四十九》
孙儒攻城未下，担心秦彦、毕师铎会有异心，渐渐收并其兵。
儒攻城未得志，虑彦、师鐸有异谋，稍并其兵。
Sun Ru failed to capture the city, and he worried that Qin Yan and Bi Shiduo would turn against him. He gradually took over their troops.