《资治通鉴·唐纪·唐纪二十八》
在这之前，沿边境镇守戍卫的士卒常达六十余万人，张说认为当时没有强寇入侵，上奏请求削减二十万戍兵，让这些人回乡务农。
先是，缘边戍兵常六十馀万，说以时无强寇，奏罢二十馀万使还农。
Before that, there were often more than 600,000 soldiers guarding the border towns, and Zhang Shuo believed that there was no strong enemy invasion at that time, and he requested to cut 200,000 guards and let them return home to farm.