And he said to them, You are they which justify yourselves before men; but God knows your hearts: for that which is highly esteemed among men is abomination in the sight of God.
And I will kill her children with death; and all the churches shall know that I am he which searches the reins and hearts: and I will give to every one of you according to your works.
Yes, they made their hearts as an adamant stone, lest they should hear the law, and the words which the LORD of hosts has sent in his spirit by the former prophets: therefore came a great wrath from the LORD of hosts.