Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
ἐπίδοσις, ἐπιτυχία, προκοπή, εὐτυχία, εὐτυχίη, ἐσθλόν, εὔδαιμον