Phdr gre 239a-239bφθονερὸν δὴ ἀνάγκη (239b) εἶναι, καὶ πολλῶν μὲν ἄλλων συνουσιῶν ἀπείργοντα καὶ ὠφελίμων ὅθεν ἂν μάλιστ᾽ ἀνὴρ γίγνοιτο, μεγάλης αἴτιον εἶναι βλάβης, μεγίστης δὲ τῆς ὅθεν ἂν φρονιμώτατος εἴη.
Phdr engAnd therefore he cannot help being jealous, and will debar his beloved from the advantages of society which would make a man of him, and especially from that society which would have given him wisdom, and thereby he cannot fail to do him great harm.
http://www2.hf.uio.no/common/apps/permlink/permlink.php?app=polyglotta&context=record&uid=a2cad449-523b-11e8-8a71-0050569f23b2