《明史·列传·卷一百一十六》
魏学曾曾上疏要求监军不要参与兵事，皇上命令梅国桢遵守这一点，梅国桢颇不满意。
学曾尝上疏令监军无与兵事，帝为饬国桢如其言，国桢颇憾之。
Wei Xue Zeng had once requested that the Commander-in-Chief not participate in military affairs in a written memorial. The emperor ordered Mei Guo Zhen to comply with this request, but Mei Guo Zhen was quite dissatisfied.