Unknown Author
Job 3:12ESV·author unknown

Why did the knees receive me? Or why the breasts, that I should nurse?

Matthew Henry Presbyterian @wholebiblehenry

Job, perhaps reflecting upon himself for his folly in wishing he had never been born, follows it, and thinks to mend it, with another, little better, that he had died as soon as he was born, which he enlarges upon in these verses.

Commenting on Job 3:11-19

John Gill Reformed Baptist @doctorgill

Why did the knees prevent me?.... Not of the mother, as Jarchi, but of the midwife, who received him into her lap, and nourished and cherished him, washed him with water, salted, and swaddled him; or it may be of his father, with whom it was usual to take the child on his knees as soon as born, see Gen 50:23; which custom obtained among...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Why did the knees prevent me?--Old English for "anticipate my wants." The reference is to the solemn recognition of a new-born child by the father, who used to place it on his knees as his own, whom he was bound to rear (Gen 30:3; Gen 50:23; Isa 66:12).