ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
adj.
Use P. and V. μόνος, εἷς, V. μοῦνος, οἶος; see alone.
