History of the Peloponnesian War

The origin of our quarrel was this. We settled Plataea some time after the rest of Boeotia, together with other places out of which we had driven the mixed population. The Plataeans not choosing to recognize our supremacy, as had been first arranged, but separating themselves from the rest of the Boeotians, and proving traitors to their nationality, we used compulsion; upon which they went over to the Athenians, and with them did us much harm, for which we retaliated.

Next, when the barbarian invaded Hellas, they say that they were the only Boeotians who did not Medise; and this is where they most glorify themselves and abuse us.

We say that if they did not Medise, it was because the Athenians did not do so either; just as afterwards when the Athenians attacked the Hellenes they, the Plataeans, were again the only Boeotians who Atticized.

And yet consider the forms of our respective governments when we so acted. Our city at that juncture had neither an oligarchical constitution in which all the nobles enjoyed equal rights nor a democracy, but that which is most opposed to law and good government and nearest a tyranny—the rule of a close cabal.

These, hoping to strengthen their individual power by the success of the Mede, kept down by force the people, and brought him into the town. The city as a whole was not its own mistress when it so acted, and ought not to be reproached for the errors that it committed while deprived of its constitution.