《元史·列传·卷七十四》
过了较长一段时间，吴澄去世，曾跟随他游历的四方学生，都以吴当为师，完成其学业。
久之，澄既捐馆，四方学子从澄游者，悉就当卒业焉。
After a long period of time, Wu Cheng died, and those students who had followed him on tour from all directions took Wu Dang as their teacher to complete their studies.