Isaiah
Isaiah 27:12ESV·traditional attribution

In that day from the river Euphrates to the Brook of Egypt the LORD will thresh out the grain, and you will be gleaned one by one, O people of Israel.

John Calvin Reformed @genevareformer

12. And yet it shall come to pass on that day. He softens the harshness of the former statement; for it was a dreadful judgment of God, that the people were deprived of all hope of mercy and favor. The particle ו (vau) must therefore be explained as in the tenth verse, “Nevertheless, or, and yet it shall come to pass on that day.” That Jehovah shall thrash.

Matthew Henry Presbyterian @wholebiblehenry

Here is the prophet again singing of mercy and judgment, not, as before, judgment to the enemies and mercy to the church, but judgment to the church and mercy mixed with that judgment. I. Here is judgment threatened even to Jacob and Israel. They shall blossom and bud (Isa 27:6), but, 1. They shall be smitten and slain (Isa 27:7), some of them shall.

Commenting on Isaiah 27:7-13

John Gill Reformed Baptist @doctorgill

And it shall come to pass in that day,.... When the song will be sung, Isa 27:2 when God will appear to have taken particular care of his church, and is about to bring it into a flourishing condition; when its troubles and afflictions will come to an end, with a sanctified use of them; and when the city of Rome will be destroyed, and...