《宋史·列传·卷二十四》
入宫辞别时便坐，刚拜见就仆倒地上，真宗急忙阻止他，允许他的两个儿子扶持着上殿，命令给他加上三个坐垫。
入辞便坐，方拜而仆，上遽止之，许二子扶掖升殿，命益坐茵为三。
When he entered the palace to bid farewell to the emperor, he sat down, and just as he prostrated, he fell to the ground. Zhenzong hurriedly stopped him, and ordered for his two sons to support him into the hall, and gave orders to bring him three cushions to sit on.