The Apostle Paul
Romans 11:10BSB·traditional attribution

May their eyes be darkened so they cannot see, and their backs be bent forever.”

Matthew Henry Presbyterian @wholebiblehenry

The apostle proposes here a plausible objection, which might be urged against the divine conduct in casting off the Jewish nation (Rom 11:1): "Hath God cast away his people? Is the rejection total and final? Are they all abandoned to wrath and ruin, and that eternal?

Commenting on Romans 11:1-32

John Gill Reformed Baptist @doctorgill

Let their eyes be darkened, that they may not see,.... Which is to be understood not literally of their being struck with blindness, as the men of Sodom were by the angels, and as Elymas the sorcerer was by the Apostle Paul; but mystically, of the eyes of their understandings being darkened, as they were by themselves and by Satan, and judicially by God; so...

Albert Barnes Presbyterian @notesbybarnes

Verse 10. Let their eyes be darkened. This is taken literally from the psalm, and was evidently the main part of the passage which the apostle had in his eye. This was fulfilled in the insensibility and blindness of the Jews. And the apostle shows them that it was long ago predicted, or invoked, as a punishment on them for giving the Messiah vinegar to drink, .