Treasury of Scripture Knowledge
Summary
His heart is as firm as a stone; yea, as hard as a piece of the nether millstone.
As hard
Bible References
As hard
Isaiah 48:4
Howbeit, I knew that thou art obstinate, and that thy neck hath an iron vein, and thy brow is of brass.
Jeremiah 5:3
Where as thou, O LORD, lookest only upon faith and truth. Thou hast scourged them, but they took no repentance: thou hast corrected them for amendment, but they refused thy correction. They made their faces harder than stone, and would not amend.
Zechariah 7:12
Yea, they made their hearts as an Adamant stone lest they should hear the law and words, which the LORD of Hosts sent in his holy spirit by the prophets afore time. Wherefore the LORD of Hosts was very wroth at them.