Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
white with age: P. and V. πολιός (Plato), V. λευκανθής, λευκός.
Met., P. and V. σεμνός, πολιός (Plato but rare P.); see ancient.