Matthew 15:13

Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.

Then came his disciples, and said unto him, Knowest thou that the Pharisees were offended, after they heard this saying?

Let them alone: they be blind leaders of the blind. And if the blind lead the blind, both shall fall into the ditch.

Then answered Peter and said unto him, Declare unto us this parable.