《明史·志·卷四十五》
玺统年间，天下的教官多缺，而举人不满于教官的位卑势冷，很多不愿意就任。
正统中，天下教官多缺，而举人厌其卑冷，多不愿就。
During the Xi Tong era, there was a severe shortage of teachers throughout the country, and the "Ju Ren" (civil service exam graduates) were dissatisfied with the low status and cold treatment of the teachers, and many were unwilling to take up the position.