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Job 17:14ESV·author unknown

if I say to the pit, ‘You are my father,’ and to the worm, ‘My mother,’ or ‘My sister,’

Matthew Henry Presbyterian @wholebiblehenry

Job's friends had pretended to comfort him with the hopes of his return to a prosperous estate again; now he here shows, I. That it was their folly to talk so (Job 17:10): "Return, and come now, be convinced that you are in an error, and let me persuade you to be of my mind; for I cannot find one wise man among you, that...

Commenting on Job 17:10-16

John Gill Reformed Baptist @doctorgill

I have said to corruption, thou art my father,.... Not to the corruptible seed, of which he was begotten; nor to the corruption or purulent matter of his boils and ulcers, and the worms his flesh was now clothed with, Job 7:5; but to that corruption his body would turn to in the grave, lying long enough to see it, which Christ's body did not...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Thou art my father, &c.--expressing most intimate connection (Pro 7:4). His diseased state made him closely akin to the grave and worm.