《宋书·列传·卷九十五》
宋国龙骧将军，济南太守垣苗率领二府郡的文武官员将逃奔竺夔，竺夔和将士们对天发誓，百姓不进城的人便叫他们移到山中防守，烧掉禾苗，叫魏人无所收获。
龙骧将军、济南太守垣苗率二府郡文武奔就夔。夔与将士盟誓，居民不入城者，使移就山阻，烧除禾稼，令虏至无所资。
General Longxiang and Jinnan Governor Yuan Miao led civil and military officials from the two prefectures to flee to Zhu Kui. Zhu Kui and the soldiers vowed to the heavens that if the people did not enter the city, they would defend in the mountains and burn the crops so the Wei would not have any loot.