Philippians 3:2
Watch out for the dogs, watch out for the evil workers, watch out for those mutilators of the body.
Matthew 15:14
Let them alone; they are blind guides. And if a blind man leads a blind man, both will fall into a pit."
Matthew 23:16-26
"Woe to you, blind guides, who say, 'If any one swears by the temple, it is nothing; but if any one swears by the gold of the temple, he is bound by his oath.'
Mark 13:34-37
It is like a man going on a journey, when he leaves his house and puts his servants in charge, each with his work, and commands the doorkeeper to be on the watch.
Luke 6:39-40
He also told them a parable: "Can a blind man lead a blind man? Will they not both fall into a pit?