History of the Peloponnesian War

For once, when you were in want of long ships for the war with the aeginetans, before that with the Medes, you received from the Corinthians twenty ships. And this service, and that with regard to the Samians, namely, that it was through us that the Peloponnesians did not assist them, gave you the mastery of the aeginetans, and the chastisement of the Samians: and it took place in those critical times in which men, when proceeding against their enemies, are most regardless of every thing besides victory. [*]( Or, in comparison with victory. )

For they esteem him a friend who assists them, even though he may before have been an enemy; and him a foe who opposes them, though he may have happened to be a friend; nay they even mismanage their own affairs for the sake of their animosity at the moment.

"Thinking then of these things, and each younger man having learned them from some one older, let him resolve to requite us with the like, and not deem that these things are justly urged, but that others are expedient in case of his going to war.