《宋书·志·卷二十七》
孙权的儿子至曲起初封堕垩眨，梦见乘龙上天，回头看却见不到龙尾。
权子休，初封琅邪王，梦乘龙上天，顾不见尾。
<translation> Sun Quan's son Sun Lu was originally the king of Luhan. He dreamed of riding the dragon to the sky, but when he looked back, he could not see the tail of the dragon.