History of the Peloponnesian War
Thucydides
Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.
And so, in the conviction that the state which has set itself up as a tyrant in Hellas is a menace to all alike, ruling over some already and designing to rule over others, let us attack and reduce it, and henceforth dwell in security ourselves and set free those Hellenes who are already enslaved."
Thus spoke the Corinthians. And the Lacedaemonians when they had heard the opinions of all, put the vote in succession to all the allied states which were present, both great and small; and the majority voted for war.