Plato, Laws 722a

καὶ δὴ καὶ περὶ παντὸς νόμου κατὰ τοῦτο τὸ παράδειγμα, εἰ γίγνοιτο ἑκάτερα, ταὐτὸν τοῦτʼ ἂν αἱροίμην. οὐ μὴν ἀλλά που καὶ Κλεινίᾳ τῷδʼ ἀρέσκειν δεῖ τὰ νῦν νομοθετούμενα· τούτου γὰρ ἡ πόλις ἡ νῦν τοῖς τοιούτοις νόμοις χρῆσθαι διανοουμένη. καλῶς γʼ, ὦ Μέγιλλε, εἶπες. τὸ μὲν οὖν περὶ πολλῶν ἢ ὀλίγων γραμμάτων ποιήσασθαι τὸν λόγον λίαν εὔηθες—τὰ γὰρ οἶμαι βέλτιστα,

and what is more, I should make the same choice in the case of every law in which, as in the example before us, these two alternatives were offered. It is necessary, however, that the laws we are now enacting should have the approval of our friend Clinias also; for it is his State which is now proposing to make use of such things. I highly approve of all you have said, Megillus. Still, it is extremely foolish to argue about the length or brevity of writings, for what we should value, I suppose, is not their extreme brevity or prolixity,