ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
nōbĭlĭter: adv., v. nobilis.
nōbĭlĭtĕr (nobilis), d’une manière distinguée, remarquable : Plin. 34, 91