History of the Peloponnesian War
Thucydides
Thucydides. History of the Peloponnesian War. Crawley, Richard, translator. London and Toronto: J. M. Dent and Sons Ltd.; New York: E. P. Dutton and Co., 1914.
Two months, however, had not elapsed after his departure before the Thasians began to fortify their town, being already tired of an aristocracy with Athens, and in daily expectation of freedom from Lacedaemon.
Indeed there was a party of them (whom the Athenians had banished), with the Peloponnesians, who with their friends in the town were already making every exertion to bring a squadron, and to effect the revolt of Thasos; and this party thus saw exactly what they most wanted done, that is to say, the reformation of the government without risk, and the abolition of the democracy which would have opposed them.