《汉书·志·五行志下之上》
这时中原齐晋、南夷吴楚最强，陈与晋相交并不亲近，依附楚国也不牢固，数次遭受两国的祸患。
是时，中国齐、晋，南夷吴、楚为强，陈交晋不亲，附楚不固，数被二国之祸。
At this time the strongest states in central China were Qi and Jin, and the southern barbarians Wu and Chu; Chen was not closely related to Jin by marriage, and its reliance on Chu was not firm, so that it suffered calamities several times from both of these states.