O Assyrian, the rod of my anger, and the staff in their hand is my indignation.…
The leading idea of the passage is the contrast between the mission assigned to Assyria in the scheme of Jehovah's providence, and the ambitious policy of universal dominion cherished by the rulers of that empire, Assyria was the instrument chosen by Jehovah to manifest His sole Deity by the extinction of all the nationalities that put their trust in false gods. But the great world power, intoxicated by its success, and attributing this to its own wisdom and resource, recognises no difference between Jehovah and other gods, but confidently reckons on proving His impotence by the subjugation of His land and people. Hence, it becomes necessary for Jehovah to vindicate His supreme Godhead by the destruction of the power which has thus impiously transgressed the limits of His providential commission. And this judgment will take plebe at the very moment when Assyria seeks to crown its career of conquest by an assault on Jehovah's sanctuary on Mount Zion, the earthly seat of His government.
(Prof. J. Skinner, D. D.)
Parallel VersesKJV: O Assyrian, the rod of mine anger, and the staff in their hand is mine indignation.