《汉书·传·楚元王传》
到孝武皇帝，之后邹、鲁、梁、趟常有讲解《诗》、《礼》、《春秋》的前辈老师，都兴起于建元年间。
至孝武皇帝，然后邹、鲁、梁、赵颇有《诗》、《礼》、《春秋》先师，皆起于建元之间。
During the reign of Emperor Xiaowu, there were often experienced Confucian masters in Zhou, Lu, Liang, and Qi who taught and explained 《Poetry》, 《Rites》, and 《Spring and Autumn Annals》, and all of them began in the Jianyuan era.