Divinatio in Q. Caecilium

But the rest of the Sicilians have found an avenger of their injuries; you, while you are endeavouring to exact vengeance for your injuries by your own means, (which you will not be able to effect,) are acting in a way to leave the injuries of all the rest unpunished and unavenged. And you do not see that it ought not alone to be considered who is a proper person to exact vengeance, but also who is a person capable of doing so,—that if there be a man in whom both these qualifications exist, he is the best man.