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 Oenoe, which was on the border between Attica and Boeotia, was a walled town, and was used as a fortress by the Athenians whenever war broke out. So the Lacedaemonians went on with their preparations to assault the place, and in this and other ways wasted time.
And it was for his conduct here that Archidamus was most severely censured, though it was thought that in the levying of the war, too, he had been slack and had played into the hands of the Athenians when he did not advise the Peloponnesians to make war with vigour. Again, when the army was being collected, he was criticized for the delay which occurred at the Isthmus, and afterwards for the leisurely way in which the march was made, but most of all for the halt at Oenoe.