《陈书·本纪·卷六》
冬十月己酉，诏令说： 耕种凿井自然丰足，可称淳朴风俗，贡赋的兴起，由来久逮。
冬十月己酉，诏曰： 耕凿自足，乃曰淳风，贡赋之兴，其来尚矣。
On Ji You Day in the tenth month of winter, the imperial edict said: "Cultivating and digging wells are naturally abundant, which can be called simple customs. The rise of tributes has a long history.