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Job 12:6ESV·author unknown

The tents of robbers are at peace, and those who provoke God are secure, who bring their god in their hand.

Matthew Henry Presbyterian @wholebiblehenry

Job's friends all of them went upon this principle, that wicked people cannot prosper long in this world, but some remarkable judgment or other will suddenly light on them: Zophar had concluded with it, that the eyes of the wicked shall fail, Job 11:20.

Commenting on Job 12:6-11

John Gill Reformed Baptist @doctorgill

But ask now the beasts, and they shall teach thee,.... And so the fowls of the air, and the fishes of the sea, in this and Job 12:8; from those instructions may be learned, of instances taken, and examples given, which may illustrate and confirm the same things that had been treated of: either what had been just now confuted, that it is always well...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Job shows that the matter of fact opposes Zophar's theory (Job 11:14, Job 11:19-20) that wickedness causes insecurity in men's "tabernacles." On the contrary, they who rob the "tabernacles" ("dwellings") of others "prosper securely" in their own. into whose hand, &c.--rather, "who make a god of their own hand," that is, who regard their might as their only ruling principle [UMBREIT].