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Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
white: P. and V. λευκός.
white with age: P. and V. πολιός (Plato), V. λευκανθής, λευκός.
Met., P. and V. σεμνός, πολιός (Plato but rare P.); see ancient.