History of the Peloponnesian War

At any rate, after the Mede had retreated, and it had regained its laws, you ought to consider, that when the Athenians subsequently attacked the rest of Greece, and endeavoured to bring our country under their power, and by the aid of faction were already in possession of the greater part of it, we fought and conquered them at Coronea, and liberated Boeotia, and are now heartily joining in the liberation of the other states, by furnishing horses, and such a force as no other of the allies do. With regard, then, to our Medizing, such is the defence we make

"But that it is you, [Plataeans,] who have both done more injury to Greece, and are more deserving of extreme punishment, we will now attempt to prove. It was for vengeance against us, you say, that you became allies and fellow-citizens of the Athenians.