《资治通鉴·晋纪·晋纪六》
任用官吏不讲原则，使亲宠小人掌握权力。殿中御史桓豹奏报情况，没有先经过司马的府署，司马就加以考问追究。
殿中御史桓豹奏事，不先经冏府，即加考竟。
Hiring officials without regard to principle and appointing corrupt sycophants to power. When Lord Procurator Huan Bao submitted a report directly to the throne, Sima Yu immediately interrogated and prosecuted him.