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.
This movement began first in the camp and from there spread to the city of Athens. Then certain men crossed over from Samos and had a conference with Alcibiades, and when he held out to them that he would first make Tissaphernes a friend and then the King also, if there were not a democracy —for so the King would have more confidence in them—the influential citizens, who are apt to bear the heaviest burdens, had great hopes for themselves personally that they would get the government into their own hands and prevail over the enemy as well.
So they went to Samos and set about combining in a conspiracy such men as were suitable, at the same time saying openly to the people that the King would be a friend to them and would furnish money if Alcibiades were restored and they were not ruled by a democracy. The multitude, even if at the moment it was somewhat dissatisfied with the scheme, none the less kept quiet because the prospect of pay from the King seemed easy of attainment;