History of the Peloponnesian War

During the same summer, immediately after the Athenians retired from Megara, Demosthenes, the Athenian general, arrived with forty ships at Naupactus.

For he and Hippocrates were engaged in negotiations about affairs in Boeotia, at the instance of certain men in several cities who wished to bring about a change in their form of government and to transform it into a democracy, such as the Athenians had. The leading spirit in these transactions was Ptoeodorus, an exile from Thebes, through whom Demosthenes and Hippocrates had brought about the following state of affairs.