Unknown Author
Job 3:1ESV·author unknown

After this Job opened his mouth and cursed the day of his birth.

Matthew Henry Presbyterian @wholebiblehenry

Long was Job's heart hot within him; and, while he was musing, the fire burned, and the more for being stifled and suppressed. At length he spoke with his tongue, but not such a good word as David spoke after a long pause: Lord, make me to know my end, Psa 39:3, Psa 39:4.

Commenting on Job 3:1-10

John Gill Reformed Baptist @doctorgill

After this opened Job his mouth,.... order to speak, and began to speak of his troubles and afflictions, and the sense he had of them; for though, this phrase may sometimes signify to speak aloud, clearly and distinctly, and with great freedom and boldness, yet here it seems to design no more than beginning to speak, or breaking silence after it had been long kept...

Geneva Bible Notes Reformed @genevanotes

After this opened Job his mouth, and cursed his day. (a) The seven days ended, . (b) Here Job begins to feel his great imperfection in this battle between the spirit and the flesh, and after a manner yields yet in the end he gets victory though he was in the mean time greatly wounded.