History of the Peloponnesian War

And when, after all was in readiness, they were on the point of sailing away, the moon was eclipsed; for it happened to be at the full. The greater part therefore of the Athenians urged the generals to stop, regarding the matter with religious scruple; and Nicias (for he was somewhat over addicted to superstition, and such feelings,) declared that he would not now so much as consider the matter, with a view to moving, until, as the soothsayers directed, he had waited thrice nine days. And so the Athenians, having been stopped on this account, remained in the country.

When the Syracusans, too, heard this, they were much more stimulated not to relax in their efforts against the Athenians, since they themselves had now confessed that they were no longer their superiors, either by sea or by land, (for they would not else have meditated sailing away;) and at the same time, because they did not wish them to go and settle in any other part of Sicily, and so to be more difficult to make war upon;

but were desirous of forcing them to a sea-fight there, as quickly as possible, in a position that was advantageous to themselves. They manned their ships therefore, and practised as many days as they thought sufficient. And when a favourable opportunity presented itself, on the first day they assaulted the Athenian lines; and a small division of their heavy-armed and horse having sallied forth against them through certain gateways, they intercepted some of the heavy-armed, and routed and pursued them back; and as the entrance was narrow, the Athenians lost seventy horses, and some few heavy-armed.

On that day, then, the army of the Syracusans drew off; but on the next they both sailed out with their ships, seventy-six in number, and at the same time advanced with their troops against the walls. The Athenians put out to meet them with eighty-six ships, and closed and fought with them.