《太平广记·卷三百一十·神二十》
走到沙苑，天色将晚，看见一人，身材有一丈高，穿着紫袍，佩着金饰，仪表威严，骑着白马，马也有一丈多高。
行至沙苑，会日暮。见一人，长丈余，衣紫佩金，容状丰伟。御白马，其马亦高丈余。
When he got to Shayuan, the sky was getting late, he saw a man, who was one zhang tall, wearing a purple robe, wearing gold ornaments, with a majestic appearance, riding a white horse which was also more than one zhang tall.