εἰ δὲ τύχῃ τις ἔρδων, μελίφρον' αἰτίαν ῥοαῖσι Μοισᾶν ἐνέβαλε → if someone is successful in his deeds, he casts a cause for sweet thoughts into the streams of the Muses
εὔχορδος, -ον (Α)αυτός που έχει καλές χορδές, που ηχεί μελωδικά.