History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
We have also ascertained the different ways in which we must adapt the structure of our vessels for opposing theirs, and especially, against the stoutness of their cheeks, from which we received most damage, we have provided grappling irons, which will prevent the ship's retiring [*](τὴν πάλιν ἀνάκρυσιν,] i. e. retiring in order to gain the momentum required for a fresh attack. See note on ch. 36.) again after it has once charged, if the soldiers on board then do their duty.
For to this necessity are we reduced, that we must maintain a land-fight on board our fleet; and it seems to be our interest neither to retire ourselves, nor to suffer them to do it; especially as the shore, except so far as our troops occupy it, is in possession of the enemy.