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.

and that we tell the Segestans in particular, that since they went to war with the Selinuntines in the first instance without consulting the Athenians, they may also make peace with them by themselves: and that we do not in future make alliance, as we have been accustomed, with men whom we shall assist when they are unfortunate, and when we ask assistance ourselves, shall not obtain it.

And do you, Prytanis, if you think it your duty to care for the state, and if you wish to show yourself a good citizen, put this to the vote, and take a second time the opinion of the Athenians; reflecting, if you feel afraid to move the question again, that the violation of the law would not, with so many abettors, involve any guilt; but that you would be acting as a physician to the state, when it had taken bad counsel; and that good government consists in this,—for a man to do his country as much good as possible, or, at least, to do it voluntarily no harm.

To this effect spoke Nicias. Of the Athenians, the greater part who came forward advised making the expedition, and not annulling what had been decreed; though there were some also who spoke against it.