History of the Peloponnesian War

Then the Athenians, in the presence of Alcibiades, that was ambassador there, spake unto the Argives and their confederates, saying that the truce was unduly made without the assent of the rest of their confederates, and that now (for they were come time enough) they ought to fall again to the war;

and did by their words so prevail with the confederates that they all, save the Argives, presently marched against Orchomenus of Arcadia.