For when he sees his children, the work of my hands, in his midst, they will sanctify my name; they will sanctify the Holy One of Jacob and will stand in awe of the God of Israel.
23. Because, when he shall see his children. The particle כי (kī) is here used in its natural and original meaning of for or because. The Prophet assigns the reason why the disgrace of Israel shall be taken away. It is, because he will have children, and those who were thought to have perished will be still alive. The work of my hands in the midst of him.
Those that thought to hide their counsels from the Lord were said to turn things upside down (Isa 29:16), and they intended to do it unknown to God; but God here tells them that he will turn things upside down his way; and let us see whose word shall stand, his or theirs.
Commenting on Isaiah 29:17-24
But when he seeth his children, the work of my hands, in the midst of him,.... That is, it will be a pleasure to the church of God, signified by Jacob, when they shall observe a great number of Jacob's posterity, or of the Jews, born again, become the "children" of the church, born in her, and nursed up at her side, dandled on her...