Philippians 3:2
Beware of dogs, beware of evil-workers,
Matthew 15:14
Let them alone: they are blind leaders of the blind: but if the blind lead the blind, both will fall into a ditch.
Matthew 23:16-26
Wo to you, ye blind guides; who say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is bound.
Mark 13:34-37
For the Son of man is as a man taking a far journey, who left his house, and gave authority to his servants, and to each his work, and commanded the porter to watch.
Luke 6:39-40
And he spoke a parable to them, Can the blind lead the blind? Will they not both fall into a ditch?