A.T. Robertson Commentary Matthew 15:14

"Let them alone: they are blind guides. And if the blind guide the blind, both shall fall into a pit." — Matthew 15:14 (ASV)

They are blind guides (τυφλο εισιν οδηγο). Graphic picture. Once in Cincinnati a blind man introduced me to his blind friend. He said that he was showing him the city. Jesus is not afraid of the Pharisees. Let them alone to do their worst. Blind leaders and blind victims will land in the ditch. A proverbial expression in the O.T.