Isaiah 33:3-4

3, 4. The prophet is not left in doubt. He sees the answer. The deliverance is yet future, but he sees it as if it were past, or now transpiring.

At the noise of the tumult the people (Assyrian) fled; at the lifting up of thyself Words figuratively expressing the silent power of Jehovah in destroying the enemy. See Isaiah 37:36-37. A demonstration of thunder and great noise from the heavens is unnecessarily assumed by some.

Your spoil That of the destroyed and routed armies.

Shall be gathered By the inhabitants of Jerusalem going to the evening’s abandoned camps, and, like hungry locusts and caterpillars, (as they sweep clean every thing on which they light,) hastily seizing every thing they find.