《资治通鉴·后梁纪·后梁纪五》
徐妃的兄弟们，只可以照顾他们的俸禄和官位，一定不要让他们掌握兵权和参与政事，以成全他们的宗族。 
徐妃兄弟，止可优其禄位，慎勿使之掌兵预政，以全其宗族。 
Xu Fei's brothers can only take care of their salaries and official positions, and must not let them control the military power and participate in politics to fulfill their clan.