They leap upon the city, they run upon the walls, they climb up into the houses, they enter through the windows like a thief.
It afterwards follows, Through the city shall they march; over the wall shall they run here and there; into houses shall they climb; through the windows shall they enter like a thief. The Prophet here shows that the Jews in vain trusted in their fortified cities, for the enemies would easily penetrate into them.
Here we have God contending with his own professing people for their sins and executing upon them the judgment written in the law (Deu 28:42), The fruit of thy land shall the locust consume, which was one of those diseases of Egypt that God would bring upon them, Deu 28:60. I.
Commenting on Joel 2:1-11
They shall run to and fro in the city,.... Leap about from place to place, as locusts do; see Isa 33:4; and as the Chaldeans did when they became masters of the city of Jerusalem; they ran about from place to place to seize upon their spoil and plunder: they shall run upon the wall; which before they climbed, now they shall run upon, and...