《宋书·志·卷十四》
成帝咸康三年，国子祭酒袁瓖、太常冯怀又上疏说：臣听说先王的教化，在于推崇经典之训，阐明礼义之学，以昭示后生，宣扬万物之性，开通行善之道。
成帝咸康三年，国子祭酒袁环、太常冯怀又上疏曰：臣闻先王之教也，崇典训，明礼学，以示后生，道万物之性，暢为善之道也。
In the third year of Emperor Cheng's Xiankang reign, Yuan Xi, the Imperial Master, and Feng Huai, the Grand Master of Ceremonies, went up to the court again to say: I hear that the teachings of the former kings were to promote the lessons of the classics and expound on the learning of rites and righteousness, so as to show The pioneer, proclaiming the nature of all things, and opening the way of doing good.