History of the Peloponnesian War

" These, then, are the considerations of right which we urge upon you—and they are adequate according to the institutions of the Hellenes; but we have also to remind you of a favour and to urge a claim based upon it;

and since we are not your enemies so as to want to injure you, nor yet your friends so that we could make use of you, we think this favour should be repaid us at the present time. It is this: when once, before the Persian war, you were deficient in battle-ships for the war you were waging with the Aeginetans, you borrowed twenty from the Corinthians. And this service and that we rendered in connection with the Samians—our preventing the Peloponnesians from aiding themenabled you to prevail over the Aeginetans and to chastise the Samians.

Both incidents happened, too, at a critical time, when men, engaged in assailing their enemies, are most indifferent to everyconsideration except victory, regarding any one who assists them as a friend, even if he was an enemy before, and any one who stands in their way as an enemy, even if he happen to be a friend; for they even mismanage their own interests in the eager rivalry of the moment.