The Republic · Rep. 470c–470d

And therefore when Hellenes fight with barbarians and barbarians with Hellenes, they will be described by us as being at war when they fight, and by nature enemies, and this kind of antagonism should be called war; but when Hellenes fight with one another we shall say that Hellas is then in a state of disorder and discord, they being by nature friends; and such enmity is to be called discord.

Plato · translated by Benjamin Jowett · composite transcription based on the 1888 third edition
Benjamin Jowett, revised third edition (1888), with Stephanus numbering from the 1908 edition; composite transcription, Project Gutenberg #55201
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