《汉书·传·宣元六王传》
太子宽厚仁慈，喜好儒术，宣帝几次赞赏宪王，说： 真是我的儿子呀！ 
太子宽仁，喜儒术，上数嗟叹宪王，辅曰： 真我子也！ 
The crown prince was kind and benevolent, and was fond of Confucianism. Emperor Xuan praised Xian Wang several times, saying: He is really my son!