that they may see, and know, and consider, and understand together, that the hand of Jehovah hath done this, and the Holy One of Israel hath created it.
The poor and needy cry for water with parched tongues, but the Lord hears them and will not forsake them. He opens streams on barren hills and fountains in waterless valleys, turning desert into pools and drought into springs, so all may see and know that the hand of Jehovah has accomplished this.
AI summary
Commenting on Isaiah 41:17-20
20. Therefore let them see and know. While God leads us by all his works to adore him, yet when the restoration of his Church is the matter in question, his wonderful power is manifested, so as to constrain all to admire him.
That they may see, and know, and consider, and understand together, that the hand of the LORD hath done this, and the Holy One of Israel hath created it. (q) That is, has appointed and determined that it will come to pass.