《汉书·传·冯奉世传》
议论者认为冯奉世作为使节有其使命，依《春秋》之义中说臣下不能独断专行，按汉朝的法律则有矫制之罪，所以不得封侯。
议者以奉世奉使有指，《春秋》之义亡遂事，汉家之法有矫制，故不得侯。
The discussants believed that Feng Boshi had his mission as an emissary, and according to the meaning of “Spring and Autumn Annals”, it states that ministers cannot act independently, and under the Han dynasty laws, he committed the crime of distorting imperial edict, and therefore could not be conferred a marquis title.