《汉书·志·食货志上》
哀帝即帝位，师丹辅佐政事，他建议说： 古代英明的君王没有不设立井田，然后治理才可太平。
哀帝即位，师丹辅政，建言： 古之圣王莫不设井田，然后治乃可平。
When Emperor Ai ascended the throne, Shi Dan assisted in political affairs. He suggested: "In ancient times, no wise king failed to establish the jingtian system, and only then could governance be peaceful."