Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
adj.
P. and V. ἄτρωτος. Has he a body so invulnerable to the sword? V. οὕτω σιδήρῳ τρωτὸν οὐκ ἔχει δέμας; (Eur., Hel. 810).
δύστρωτος, δυσάλωτος, ἀνούτατος, ἀτόρητος, ἀδιακόντιστος, ἄτμητος, ἄτρωτος, ἀνούτητος, ἀδήλητος, ἄρρηκτος
