Lyrics:

ἢ δοκοῦσί τί σοι τυφλῶν διαφέρειν ὁδὸν ὀρθῶς
πορευομένων οἱ ἄνευ νοῦ ἀληθές τι δοξάζοντες

[Translation]
Anyone who holds a true opinion without understanding
Is like a blind man on the right road