《明史·列传·卷八十七》
承勋根据谏官李凤毛等人的主张，先后裁汰了二十七个镇守宦官，又把五百名锦衣官予以革职，削减了几千名混在监局中的滥冒宦官。
承勋因谏官李凤毛等言，先后裁二十七人，又革锦衣官五百人，监局冒役数千人。
Chengxun, based on the opinions of Li Fengmao and other advisory officials, successively dismissed twenty-seven eunuchs from guarding borders, and also removed from office five hundred Jinyi officials and cut several thousand redundant eunuchs who mingled in the prison.