《周书·列传·卷四十五》
乐逊劝励经学生徒，课试确定高下，数年之间，全州得以化洽。
逊劝励生徒，加以课试，数年之间，化洽州境。
Le Xun encouraged students to study classics, and ranked them through examinations. Within a few years, the entire prefecture was well-educated.