《资治通鉴·唐纪·唐纪五十八》
李质说： 如果韩充刚来宣武上任，就罢除对牙兵的优待，那么，就肯定大失军心！
质曰： 若韩公始至而罢之，则人情大去矣！
Li Zhi said: If Han Chong dismisses the preferential treatment of the tooth soldiers as soon as he takes office in Xuanwu, then he will definitely lose a lot of military support.