《三国志·魏书·董二袁刘传》
沮授又劝谏说： 颜良性情急躁不稳定，虽然骁勇善战，但不适合独自执行军事任务。 
沮授又谏绍： 良性促狭，虽骁勇不可独任。 
Ju Shou advised him, "Yan Liang is quick-tempered and unstable, although he is brave and good at fighting, he is not suitable to carry out military tasks independently."