In the seventeenth year of Jianzhao's reign, Enke was appointed as an official. There are two brothers named Jia, who ranked first and second in the ranking. Later, there was a banquet in Qionglin. During the banquet, there were questions and answers. The host praised him and said, "He is a great talent." It's called a double jade.
——"History of Wei·Muzong's Chronicles"