Isaiah
Isaiah 48:19BSB·traditional attribution

Your descendants would have been as countless as the sand, and your offspring as numerous as its grains; their name would never be cut off or eliminated from My presence.”

John Calvin Reformed @genevareformer

19. Thy seed would have been as the sand. This also relates to a happy life, when progeny is multiplied, by whose aid the labors of the old are alleviated, and which “resists the adversaries in the gate.” The Psalmist compares such children to “arrows shot by a strong hand,” and pronounces him to be “blessed who hath his quiver full of them;” that is...

Matthew Henry Presbyterian @wholebiblehenry

Here, as before, Jacob and Israel are summoned to hearken to the prophet speaking in God's name, or rather to God speaking in and by the prophet, and that as a type of the great prophet by whom God has in these last days spoken unto us, and that is sufficient: Come near therefore, and hear this.

Commenting on Isaiah 48:16-22

John Gill Reformed Baptist @doctorgill

Thy seed had also been as the sand,.... Upon the sea shore, as numerous as that, as was promised to Abraham, Gen 22:17, and the offspring of thy bowels as the gravel thereof; that is, of the sand; the little stones that are in it, which lie in great numbers on the sea shore; the same thing expressed in different words, denoting the number of...