《汉书·传·王贡两龚鲍传》
贡禹又建议说各处行宫别馆以及长乐宫的戍卫人员可以削减一大半，以减轻百姓的徭役负担。
又言诸离宫及长乐宫卫可减其太半，以宽徭役。
Gong Yu also suggested that the number of guards at each palace and the Chang Le palace can be reduced by half to reduce the obligation to the government by the common people.