Isaiah
Isaiah 44:4BSB·traditional attribution

They will sprout among the grass like willows by flowing streams.

John Calvin Reformed @genevareformer

4. And they shall spring up. These words contain nothing more than what I quoted from Psalm 104:30, that, when the Spirit of God has been sent forth, the whole face of the earth is renewed, and those fields which formerly were burnt up with thirst are green and flourish, just as the herbs grow, after having been watered by the rains.

Matthew Henry Presbyterian @wholebiblehenry

Two great truths are abundantly made out in these verses: - I. That the people of God are a happy people, especially upon account of the covenant that is between them and God. The people of Israel were so as a figure of the gospel Israel. Three things complete their happiness: - 1. The covenant-relations wherein they stand to God, Isa 44:1, Isa 44:2.

Commenting on Isaiah 44:1-8

John Gill Reformed Baptist @doctorgill

And they shall spring up as among the grass,.... That is, such on whom the Spirit of the Lord shall be poured with his gifts and grace, and with the blessings of it: by the "grass" may be meant common believers, comparable to green grass, for their numbers, being many; for their weakness in themselves; for their flourishing condition; like grass for its greenness, and...