John Gill Commentary Job 41:27

"He counteth iron as straw, [And] brass as rotten wood." — Job 41:27 (ASV)

He esteemeth iron as straw
You may as well cast a straw at him as a bar of iron; it will make no impression on his steeled back, which is as a coat of mail to him; so Eustathius affirms ^F4 that the sharpest iron is rebounded and blunted by him;

[and] brass as rotten wood ;
or steel, any instrument made of it, though ever so strong or piercing.

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FOOTNOTES:

• F4: Apud ibid. (Bochard. Hierozoic. par. 2. l. 5. c. 17. col. 785.)