《资治通鉴·汉纪·汉纪十四》
卫青去世后，那些臣子认为太子不再有母亲娘家的靠山，便竟相陷害太子。
卫青薨后，臣下无复外家为据，竞欲构太子。
After Wei Qing passed away, those court officials thought the Emperor's son no longer had any support from his mother's relatives, and they thus schemed against him one after another.