Plato, Laws 835d

τίνʼ αὖ νῦν, ὦ ξένε, λόγον λέγομεν; οὐ γάρ πω μανθάνομεν. εἰκότως γε· ἀλλὰ δὴ πειράσομαι ἐγὼ φράζειν ὑμῖν ἔτι σαφέστερον. ὡς γὰρ εἰς παιδείαν ἦλθον τῷ λόγῳ, εἶδον νέους τε καὶ νέας ὁμιλοῦντας φιλοφρόνως ἀλλήλοις· εἰσῆλθεν δή με, οἷον εἰκός, φοβηθῆναι, συννοήσαντα τί τις χρήσεται τῇ τοιαύτῃ πόλει ἐν ᾗ δὴ νέοι μὲν νέαι τε εὐτρεφεῖς εἰσί, πόνων δὲ σφοδρῶν καὶ ἀνελευθέρων, οἳ

What is it we are reasoning about now, Stranger? For we are still in the dark. Naturally: but I will try to explain myself more clearly. When in my discourse I came to the subject of education, I saw young men and maidens consorting with one another affectionately; and, naturally, a feeling of alarm came upon me, as I asked myself how one is to manage a State like this in which young men and maidens are well-nourished but exempt from those severe and menial labors which are the surest means of quenching wantonness,