ἐν οἰκίᾳ τυφλῶν καὶ ὁ νυκτάλωψ ὀξυδερκής → even the day-blind is sharp-eyed in a blind house | among the blind, the one-eyed man is king
(Mt.) Καύκασος, ὁ or τὸ Καυκάσιον ὄρος.