《旧唐书·本纪·卷十四》
十四日，荆南进献两只珍奇的乌龟，宪宗发出诏书说 ：我这孤陋寡闻的人，继承大业，老是考虑着治理根本，珍视的只是贤能的人才。
庚戌，荆南献龟二，诏曰： 朕以寡昧，纂承丕业，永思理本，所宝惟贤。
On the 14th, Jingnan offered two rare tortoises. Xianzong issued an imperial edict saying: I am a man of little knowledge, and I have inherited the great cause. I always think about governing the fundamentals, and I only value virtuous people.