《北史·列传·卷三十五》
凉州地宽面广，人烟稀少，粮食军械向来就很紧缺。敦煌和酒泉，更为空虚。
凉州土广人稀，粮仗素阙，敦煌、酒泉，空虚尤基。
Liangzhou covers a large area with few local residents, and it has always had a shortage of grain and military equipment. Dunhuang and Jiuquan are even more impoverished.