《晋书·志·第十八章》
遣时武帝听信荀勖的邪说，留住贾充不让他再去镇守西部地区，而任恺逐渐受到疏远，这是上下都受蒙蔽不明的应兆。
是时帝纳荀勖邪说，留贾充不复西镇，而任恺渐疏，上下皆蔽之应也。
The Emperor of the Wei Dynasty listened to the heresy of Xun Xu and kept Jia Chong from going back to guard the western region. Ren Kai was gradually alienated, which was the omen that superiors and subordinates were all confused.