The high-walled fortress will be brought down, cast to the ground, into the dust.
12. And the fortress. The Prophet now directs his discourse to the country of Moab. It was highly fortified, and was proud of its walls and fortifications; and he affirms that the lofty towers, and other defences, however strong and seemingly impregnable, will be of no avail. The ancients, it is well known, had quite a different method of fortifying from what is practiced among us.
Here is, I. The welcome which the church shall give to these blessings promised in the foregoing verses (Isa 25:9): It shall be said in that day, with a humble holy triumph and exultation, Lo, this is our God; we have waited for him! Thus will the deliverance of the church out of long and sore troubles be celebrated; thus will it be as life from the dead.
Commenting on Isaiah 25:9-12
And the fortress of the high fort of thy walls shall he bring down,.... That is, their high and, fenced walls, which were about their cities, the fortifications of them; these should be destroyed by the Lord, be battered and brought down, not being able to stand against his mighty power.