Job 41:27 KJV
He esteemeth iron as straw, and brass as rotten wood.
Job 41:27, King James Version
In context
26 The sword of him that layeth at him cannot hold: the spear, the dart, nor the habergeon.
27 He esteemeth iron as straw, and brass as rotten wood.
28 The arrow cannot make him flee: slingstones are turned with him into stubble.