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.

for even the god himself considers it to have been violated, since he orders you to go to war; but you will rather come to its support after it has been wronged: for the breakers of it are, not those who defend themselves, but those who were the first aggressors.

So then, since on every ground you have good reason for going to war, and since we all in common recommend this, inasmuch as it is most certain that this is expedient both for states and individuals [in our league]; do not defer to assist the Potidaeans, who are Dorians, and are besieged by Ionians, (the contrary of which used formerly to be the case,) and to vindicate the liberty of the rest; since it is no longer possible for them to wait, [*]( The participle περιμένοντας refers to the whole body of the confederate, which is afterwards represented in two divisions by the use of the article with μέν and δέ) while some are already injured, and others will be treated in the same way not much later, if we shall be known to have come together, but not to dare to avenge ourselves: