Treasury of Scripture Knowledge

Summary

His heart is as firm as a stone; yea, as hard as a piece of the nether millstone.

Bible References

As hard

Isaiah 48:4
Because I know that thou art obstinate, and thy neck is an iron sinew, and thy brow bronze;
Jeremiah 5:3
O LORD, are not thine eyes upon the truth? Thou hast stricken them, but they did not feel it; thou hast consumed them, but they have refused to receive chastisement; they have made their faces harder than a rock; they have refused to return.
Zechariah 7:12
Yea, they made their hearts as an adamant stone lest they should hear the law and the words which the LORD of the hosts has sent by his Spirit by the hand of the former prophets; therefore came great wrath from the LORD of the hosts.