New International Version (©1984)
His chest is hard as rock, hard as a lower millstone.New Living Translation (©2007)
Its heart is hard as rock, hard as a millstone. English Standard Version (©2001)
His heart is hard as a stone, hard as the lower millstone. New American Standard Bible (©1995)
"His heart is as hard as a stone, Even as hard as a lower millstone. GOD'S WORD® Translation (©1995)
Its chest is solid like a rock, solid like a millstone. King James Bible
His heart is as firm as a stone; yea, as hard as a piece of the nether millstone. American King James Version
His heart is as firm as a stone; yes, as hard as a piece of the nether millstone. American Standard Version
His heart is as firm as a stone; Yea, firm as the nether millstone. Bible in Basic English
His heart is as strong as a stone, hard as the lower crushing-stone. Douay-Rheims Bible
His heart shall be as hard as a stone, and as firm as a smith's anvil. Darby Bible Translation
His heart is firm as a stone, yea, firm as the nether millstone. English Revised Version
His heart is as firm as a stone; yea, firm as the nether millstone. Webster's Bible Translation
His heart is as firm as a stone; yes, as hard as a piece of the nether millstone. World English Bible
His heart is as firm as a stone, yes, firm as the lower millstone. Young's Literal Translation
His heart is firm as a stone, Yea, firm as the lower piece. | 
