Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
nāvĭfrăgus: a, um, adj. navis-frango,
I causing shipwrecks, dangerous (poet.): navifragum Scylaceum, Verg. A. 3, 553: fretum, Ov. M. 14, 6: saxa, Stat. Th. 5, 415; cf. naufragus, I. B.