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.
But the Athenians would pay no heed to their other demands and declined to rescind the decree, charging the Megarians with encroachment upon the sacred land and the border-land not marked by boundaries,[*](The reference is, first, to the tillage of land dedicated to the Eleusinian goddesses; second, to land still in dispute between Athens and Megara, and therefore unmarked.) and also with harbouring runaway slaves.
But at last a final embassy came from Lacedaemon, consisting of Ramphias, Melesippus, and Agesander, who said nothing of the demands they had hitherto been wont to make, but only this: "The Lacedaemonians desire peace, and there will be peace if you give the Hellenes their independence." Whereupon the Athenians called an assembly and gave their citizens an opportunity to express their opinions; and it was resolved to consider the whole question and then give their answer once for all.
And many others came forward and spoke, in support of both sides of the question, some urging that war was necessary, others that the decree should not stand in the way of peace, but should be rescinded; and finally Pericles son of Xanthippus, the foremost man of the Athenians at that time, wielding greatest influence both in speech and in action, came forward and advised them as follows: