《魏书·列传·卷六十五》
因命前侍中司马子如说： 我一路劳顿疲惫，你代我与河内联手。 
因命前侍中司马子如曰： 吾行途疲弊，宜代吾执河内手也。 
He therefore ordered his former attendant, Sima Ziruo, to say: “I am weary from my journey, and I would have you cooperate with the Governor of Henan on my behalf.”