《资治通鉴·汉纪·汉纪四十七》
并且，我过去被判处送往左校营罚服苦役时，太学生张凤等曾经上书为我申诉辩护，是为党人所依附，我应该坐罪。 
又，臣昔论输左校时，太学生张凤等上书讼臣，是为党人所附也，臣宜坐之。 
Also, when I was sentenced to hard labor in the barracks of the Left, Zhang Feng, a student, and others wrote a letter to defend me, which was dependent on the party members, so I should be guilty.