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.

therefore, let no one think the worse of us on the ground that we were honoured by them in time of peace and now revolt from them in time of danger.

"We will first discuss the question of justice and rectitude, especially as we are seeking an alliance, for we know that neither does friendship between men prove lasting, nor does a league between states come to aught, unless they comport themselves with transparent honesty of purpose towards one another and in general are of like character and way of thinking;