《旧唐书·本纪·卷十九》
杨知温本来就不是善于御敌的人才，城内没有隔宿的粮食备用，贼军急迫地攻打。
知温本非御侮之才，城无宿备，贼急攻之。
Yang Zhiwen was not at all talented in defending against enemies, and the city has no rations to wait out a siege, while the rebel army urgently attacked.