《明史·列传·卷二百零二》
二十年皇帝下敕谕给西平侯沐英等人说 ：近来御史李原名从平缅归来，他说蛮族人情况诡谲莫辨，一定会成为边疆的祸患。
尔指挥李观处事宽厚，名播蛮中，为诸蛮所爱。
In the 20th year, the emperor ordered a decree for Marquis Muxing of Xiping and others: "Recently, imperial censor Li Yuanming returned from Pingmian, reporting that the barbarians are treacherous and deceitful and would threaten the border.