《资治通鉴·梁纪·梁纪二十》
侯景兵败时，自己携带着传国玉玺，让他的侍中兼平原太守赵思贤掌管，交代他说： 如果我死了，就把它扔到江里去，别让吴儿们又得到它！ 
侯景之败也，以传国玺自随，使其侍中兼平原太守赵思贤掌之，曰： 若我死，宜沉于江，勿令吴儿复得之。 
When Hou Jing was defeated, he took the Imperial Jade Seal with him and let his Zhongshu and the Taishou of Pingyuan, Zhao Sixian, manage it. He told him: If I die, throw it into the river and do not let Wu'er get it again!