Cicero: “For if we do not hesitate to confer favours upon those who we hope will be of help to us, how ought we to deal with…”

But while they steer clear of the one kind of injustice, they fall into the other: they are traitors to social life, for they contribute to it none of their interest, none of their effort, none of their means.

But the trouble about this matter is that it is in the greatest souls and in the most brilliant geniuses that we usually find ambitions for civil and military authority, for power, and for glory, springing up; and therefore we must be the…

Again, there are certain duties that we owe even to those who have wronged us.

In the matter of a promise one must always consider the meaning and not the mere words.