John Calvin on Isaiah 10:29

29. They have crossed the ford. They are gone over the passage. — Eng. Ver. Some understand by this the passage of the Jordan, but I do not know if it could be crossed by a ford in that quarter. “They have passed the strait. The strait here mentioned is that of Michmas, a very narrow passage between two sharp hills or rocks, (see 1 Samuel 14:4, 5,) where a great army might have been opposed with advantage by a very inferior force. The enemies having passed the strait without opposition, shows that all thoughts of making a stand in the open country were given up, and that their only resource was in the strength of the city.” — Lowth. He describes how great will be the terror when they hear of the approach of the Assyrian, that the whole country will be struck with terror and alarm, so that the Assyrian will subdue it without any difficulty. When such dread has seized their hearts, they will freely surrender at the first attack of the enemy, so that the conquerors will be allowed to ravage at their pleasure. He passes from the singular to the plural number, because he speaks sometimes of the king and sometimes of the whole army.

Ramah is afraid; Gibeah of Saul is fled. He mentions Ramah in preference to the rest, because it was the nearest town; and he describes the flight of the inhabitants of some towns, as if the mere report had terrified them to such a degree that they gave up their country into the enemy’s hand. After having spoken of so great dismay, he adds. —