His heart is as firm as a stone; Yea, as hard as a piece of the nether millstone.
His heart is as firm as a stone, indeed, as solid as a nether millstone.
His heart is as firm as a stone; Yea, firm as the nether millstone.
His heart is solid like a rock, hard like a lower millstone.
There is no power on the earth that is being compared to him, who has been made so that he fears no one.