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.
And for six or seven days they lay at anchor opposite one another, practising and preparing for battle, the one side resolved not to sail outside the two Rhia into the open water, fearing a recurrence of their disaster, the other not to sail into the straits, thinking that fighting in a narrow space was in the enemy's favour.
At last Cnemus and Brasidas and the other Peloponnesian commanders, wishing to bring on the engagement soon, before reinforcements came from Athens, first called their soldiers together, and seeing that most of them were frightened on account of their previous defeat and not eager for battle, encouraged them and spoke as follows:
"The recent sea-fight, Peloponnesians, if possibly it has caused any man among you to be afraid of the one before us, affords no just grounds for your alarm.
For our preparation was deficient, as you know, and the object of our voyage was not so much to fight at sea as operations on land; and it happened, furthermore, that not a few of the chances of war were against us, and doubtless also our inexperience had something to do with our failure in the first sea-fight.
It was not then our cowardice that brought about defeat, nor is it right that the spirit, which force cannot conquer, but which has in it something defiant, should be dulled and blunted by the outcome of mere chance; rather you ought to reflect that although men may suffer reverse in their fortunes, yet in their spirit brave men are rightly considered always brave, and when courage is present no inexperience can properly be urged as an excuse for being cowards under any circumstances. And, after all, your inexperience is more than counterbalanced by your superiority in daring;