They will swoop down on the slopes of the Philistines to the west; together they will plunder the sons of the east. They will lay their hands on Edom and Moab, and the Ammonites will be subject to them.
14. And they shall fly on the shoulders of the Philistines. He means that there is also another way in which the Lord will assist his people; which is, that he will conquer their enemies, and subdue them under his dominion. Having spoken of the safety of the Church, he now declares that she will be victorious over her enemies.
We have here a further prophecy of the enlargement and advancement of the kingdom of the Messiah, under the type and figure of the flourishing condition of the kingdom of Judah in the latter end of Hezekiah's reign, after the defeat of Sennacherib. I.
Commenting on Isaiah 11:10-16
But they shall flee upon the shoulders of the Philistines towards the west,.... That is, Ephraim and Judah, who shall not only agree among themselves, but cheerfully join together against the common enemy: "they shall flee with the shoulder", as some render the words; with joint consent, as the phrase is used in Hos 6:9, Zep 3:9 and so the Targum, "and they shall be...