《明史·列传·卷一百四十三》
凤阳号称中都，往东可以扼守徐州、淮州，往北可以控制河南，往西可以照顾荆州、襄阳，往南又离南京城不远，请在那里驻扎陛下亲征的部队。
凤阳号中都，东扼徐、淮，北控豫州，西顾荆、襄，而南去金陵不远，请以驻亲征之师。
Fengyang is known as Zhongdu, and can control Xuzhou and Huaihua to the east, control Henan to the north, control Jingzhou and Xiangyang to the west, and is not far from Nanjing City to the south. Please station His Majesty's personal expedition force there.