Matthew 15:14

ἄφετε αὐτούς τυφλοί εἰσιν ὁδηγοί τυφλῶν τυφλὸς δὲ τυφλὸν ἐὰν ὁδηγῇ ἀμφότεροι εἰς βόθυνον πεσοῦνται

aphete autous typhloi eisin hodēgoi typhlōn typhlos de typhlon ean hodēgē amphoteroi eis bothynon pesountai

Allow them blind [men] are guides of the blind blind however a blind [man] if they lead both for a pit will fall