《容斋随笔·卷十四·士大夫论利害》
赵充国征伐先零，打算解除战马武器而屯田，宣帝担心先零人听说此事，将进攻骚扰农民。
赵充国征先零，欲罢骑兵而屯田，宣帝恐虏闻兵罢，且攻扰田者。
Zhao Chongguo conquered Xianling, planning to disarm the warhorses and set up military farms. Emperor Xuan was worried that the Xianling people would hear about this and harass the farmers.