《资治通鉴·魏纪·魏纪六》
于是召来齐王曹芳、秦王曹询拜见司马懿，又指着齐王曹芳对司马懿说： 就是他了，您仔细看看，不要看错！ 
乃召齐、秦二王以示懿，别指齐王芳谓懿曰： 此是也，君谛视之，勿误也！ 
The Emperor then summoned Qi Wang Cao Fang, Qin Wang Cao Xun and made them pay respects to Sima Yi, while pointing at Qi Wang Cao Fang said to Sima Yi: This is him, look carefully at him and don’t make a mistake!