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.

for it was not on account of the unlawful occupation of the place that the city was visited by the calamities, but it was on account of the war that there was the necessity of its occupation, and the oracle, although it did not mention the war, yet foresaw that the place would never be occupied for any good.

Many also established themselves in the towers of the city walls, and whereever each one could find a place; for the city did not have room for them when they were all there together. But afterwards they distributed into lots and occupied the space between the Long Walls and the greater part of the Peiraeus.

And while all this was going on, the Athenians applied themselves to the war, bringing together allies and fitting out an expedition of one hundred ships against the Peloponnesus.

The Athenians then, were in this stage of their preparations.

Meanwhile the army of the Peloponnesians was advancing and the first point it reached in Attica was Oenoe, where they intended to begin the invasion. And while they were establishing their camp there, they prepared to assault the wall with engines and otherwise;