《太平广记·卷二百五十三·嘲诮一》
一天，牛弘正侧卧着吃水果时，嘲讽马敞道：曾听扶风马，说可扶摇上天下地。
弘轻之，侧卧食果子，嘲敞曰：尝闻扶风马，谓言天上下。
One day, Niu Hong ate fruit lying on the side, and mocked Ma Chang: I heard of Ma of Fufeng, they said he can soar into the sky and dive into the earth.