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He said unto them, Moses because of the hardness of your hearts allowed you to put away your wives: but from the beginning it was not so.
Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
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Yea, they made their hearts as a flint stone, lest they should hear the law, and the words which the LORD of hosts has sent by his Spirit through the former prophets: therefore came a great wrath from the LORD of hosts.
A new heart also will I give you, and a new spirit will I put within you: and I will take away the stony heart out of your flesh, and I will give you a heart of flesh.
And wherever he takes him, he throws him down: and he foams, and gnashes with his teeth, and wastes away: and I spoke to your disciples that they should cast him out; and they could not.