History of the Peloponnesian War

After this, when it seemed to Nicias and Demosthenes that adequate preparations had been made, the departure of the army at last took place —on the third day following the sea-fight.

And it was terrible, not in one aspect only of their fortunes, in that they were going away after losing all their ships, and, in place of high hopes, with danger threatening both themselves and their State, but also in that, on the abandonment of their camp, it fell to the lot of each man to see things that were painful both to sight and mind.