Unknown Author
Job 12:9ESV·author unknown

Who among all these does not know that the hand of the LORD has done this?

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

In whose hand is the soul of every living thing,.... Of every animal, of every brute creature, as distinct from man, in the next clause: the life of everyone of them is from him, and it is continued by him as long as he pleases, nor can it be taken away without his leave; two sparrows, which are not worth more than a farthing, not...

Jamieson-Fausset-Brown Reformed @jfbcommentary

In all these cases, says Job, the agency must be referred to Jehovah, though they may seem to man to imply imperfection (Job 12:6; Job 9:24). This is the only undisputed passage of the poetical part in which the name "Jehovah" occurs; in the historical parts it occurs frequently.