Mat 15.14 Let them alone: they be blind leaders of the blind. And if the blind lead the blind, both shall fall into the ditch.
Mat 23.16 Woe unto you, ye blind guides, which say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor!
Filip 3.2 Beware of dogs, beware of evil workers, beware of the concision.