《资治通鉴·晋纪·晋纪十三》
湘州占据长江上游的地势，控制着荆州、交州、广州的交会处，我想让叔父您镇守那里，不知如何？ 
湘州据上流之势，控三州之会，欲以叔父居之，何如？ 
Xiangzhou’s location in the upper reaches of the Yangtze River gives it control over the meeting points of the prefectures of Jingzhou, Jiaozhou, and Guangzhou. I’m thinking of sending you there to guard it, uncle. How do you feel about that?