Plato, Laws 691b

εἶεν· τί δὴ τὸν νομοθέτην ἔδει τότε τιθέντα εὐλαβηθῆναι τούτου περὶ τοῦ πάθους τῆς γενέσεως; ἆρʼ ὦ πρὸς θεῶν νῦν μὲν οὐδὲν σοφὸν γνῶναι τοῦτο οὐδʼ εἰπεῖν χαλεπόν, εἰ δὲ προϊδεῖν ἦν τότε, σοφώτερος ἂν ἦν ἡμῶν ὁ προϊδών; τὸ ποῖον δὴ λέγεις; εἰς τὸ γεγονὸς παρʼ ὑμῖν, ὦ Μέγιλλε, ἔστιν νῦν γε κατιδόντα γνῶναι, καὶ γνόντα εἰπεῖν ῥᾴδιον, ὃ τότε ἔδει γίγνεσθαι. σαφέστερον ἔτι λέγε. τὸ τοίνυν σαφέστατον ἂν εἴη τὸ τοιόνδε. τὸ ποῖον;

Very well then: what precaution ought the legislator to have taken at that time in his enactments, to guard against the growth of this disorder? Verily, to perceive that now requires no great sagacity, nor is it a hard thing to declare; but the man who foresaw it in those days—if it could possibly have been foreseen—would have been a wiser man than we. To what are you alluding? If one looks at what has happened, Megillus, among you Lacedaemonians, it is easy to perceive, and after perceiving to state, what ought to have been done at that time. Speak still more clearly. The clearest statement would be this— What?