《三国志·吴书·诸葛滕二孙濮阳传》
大家都认为丹杨地势险阻，与吴郡、会稽、新都、鄱阳四郡为邻相连，绵亘数千里，山谷上万重，其中居住僻远深山老林里的人，从未进过城市，没有见过官长，他们都身带兵器在山野活动，一生生活在深山之中，一直到白头至死。
众议咸以 丹杨地势险阻，与吴郡、会稽、新都、鄱阳四郡邻接，周旋数千里，山谷万重，其幽邃民人，未尝人城邑，对长吏，皆仗兵野逸，白首于林莽。
Everyone believed that the terrain of Danyangi was dangerous and bordered four commanderies: Wu Commandery, Kuaiji Commandery, Xindu Commandery and Poyang Commandery, covering several thousand li, and there were tens of thousands of deep valleys. The people living in the remote mountains and forests had never been into the cities and had never seen an official. They all carried weapons while doing activities in the mountains and they spent their entire lives in the mountains until they grew old and grey and died.