ESV: His heart is hard as a stone, hard as the lower millstone.
NIV: Its chest is hard as rock, hard as a lower millstone.
NASB: His heart is as firm as a stone, And as firm as a lower millstone.
CSB: His heart is as hard as a rock, as hard as a lower millstone!
NLT: Its heart is hard as rock, hard as a millstone.
KJV: His heart is as firm as a stone; yea, as hard as a piece of the nether millstone.
NKJV: His heart is as hard as stone, Even as hard as the lower millstone.
