Thucydides, History of the Peloponnesian War
Benjamin Jowett, Ed.

75. When the army heard his report they instantly rushed upon the chief authors of the recent¹ oligarchy who were present, and their confederates, and tried to stone them. But they were deterred by the warnings of the moderate party, who begged them not to ruin everything by violence while the enemy were lying close to them, prow threatening prow. [2] Thrasybulus the son of Lycus, and Thrasyllus, who were the chief leaders of the reaction, now thought that the time had come for the open proclamation of democracy among the Athenians at Samos, and they bound the soldiers, more especially those of the oligarchical party, by the most solemn oaths to maintain a democracy and be of one mind, to prosecute vigorously the war with Peloponnesus, to be enemies to the Four Hundred, and to hold no parley with them by heralds. [3] All the Samians who were of full age took the same oath, and the Athenian soldiers determined to make common cause with the Samians in their troubles and dangers, and invited them to share their fortunes. They considered that neither the Samians nor themselves had any place of refuge to which they could turn, but that, Whether the Four Hundred or their enemies at Miletus gained the day, they were doomed.