Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
ominous: P. and V. κακός, δύσφημος (Plato but rare P.).
extraordinary: P. and V. θαυμαστός, ἐξαίσιος (Plato), Ar. and P. δαιμόνιος, θαυμάσιος; see extraordinary.