Plato, Laws 861a

θήσομεν, τῶν δʼ ἐλάττους; ἢ πάντων ἐξ ἴσης, ὡς οὐκ ὄντων ἀδικημάτων τὸ παράπαν ἑκουσίων; ὀρθῶς μέντοι λέγεις, ὦ ξένε· καὶ τούτοις δὴ τί χρησόμεθα τοῖς νῦν λεγομένοις; καλῶς ἤρου. πρῶτον μὲν τοίνυν αὐτοῖς τόδε χρησώμεθα. τὸ ποῖον; ἀναμνησθῶμεν ὡς ἔμπροσθεν νυνδὴ καλῶς ἐλέγομεν ὅτι περὶ τὰ δίκαια εἴη παμπόλλη τις ἡμῶν ταραχή τε καὶ ἀσυμφωνία. τοῦτο δὲ λαβόντες πάλιν ἐρωτῶμεν ἡμᾶς

and lighter penalties for the others? Or shall we enact equal penalties for all, on the view that there is no such thing as a voluntary act of injustice? What you say, Stranger, is quite right: so what use are we to make of our present arguments? A very proper question! The use we shall make of them, to begin with, is this— What? Let us recall how, a moment ago, we rightly stated that in regard to justice we are suffering from the greatest confusion and inconsistency. Grasping this fact,