Cicero: “It follows, then, that whatever is morally right, is also expedient.”

For they secure one sort of justice, to be sure, in that they do no positive wrong to anyone, but they fall into the opposite injustice; for hampered by their pursuit of learning they leave to their fate those whom they ought to defend.

For there is a limit to retribution and to punishment; or rather, I am inclined to think, it is sufficient that the aggressor should be brought to repent of his wrong-doing, in order that he may not repeat the offence and that others may…

But those wars which have glory for their end must be carried on with less bitterness.

Not only must we show consideration for those whom we have conquered by force of arms but we must also ensure protection to those who lay down their arms and throw themselves upon the mercy of our generals, even though the battering-ram…