《元史·列传·卷六十五》
王结请求更改法令，只流放千里之外，能改过的让他们回乡，成为定制。
结请更其法，移乡者止千里外，改过听还其乡，因著为令。
Wang Jie requested that the law be amended so that the prisoners would only be exiled a thousand miles away, and those who had reformed could return to their hometowns. This became a custom.