《资治通鉴·唐纪·唐纪六十》
于是，废除府兵，扩充边兵，朝廷的武将和士卒，都大批地奔赴边防，内地空无一兵。
于是府兵内铲，边兵外作，戎臣兵伍，湍奔矢往，内无一人矣。
Thus, the Fu-Bing System was abolished, and the number of soldiers on the borders was increased. Many generals and soldiers of the imperial court were sent to the border regions, leaving the hinterland without any soldiers.