ירמיהו, פרק נ״א, פסוק כ׳

God addresses a massive military power, portraying it as His personal weapon of destruction. With this instrument in hand, He reshapes the map of the world, punishes nations, and brings down entire kingdoms. The imagery evokes a heavy iron battering ram designed to smash stones and break through fortified walls [מצודת ציון, רד״ק, ביאור שטיינזלץ]. The resulting destruction goes beyond simple breaking; it is a violent crushing that scatters the shattered pieces in every direction [רד״ק, אברבנאל].

The primary approach among commentators is that this declaration is directed at Nebuchadnezzar, the king of Babylon. Up to this historical moment, Babylon served as God's chosen tool to punish other nations and carry out decrees of ruin and exile [רש״י, מצודת דוד, אברבנאל]. However, serving as a divine instrument does not grant Babylon immunity. God ultimately plans to punish the Babylonian king because he abused his power, acting with extreme cruelty toward Israel that went far beyond God's original anger [רד״ק].

Taking a different perspective, some suggest that the target of this message is not Babylon, but rather the advancing Median and Persian armies. In this view, these forces represent God's new war machine, summoned to crush everything in their path and, most importantly, to destroy Babylon itself [ביאור שטיינזלץ]. A third, unique interpretation proposes that the message is actually spoken to the people of Israel. According to this understanding, the Israelites themselves serve as God's weapon of war, and through them, He will eventually shatter the Babylonian empire and all the kingdoms under its control [מלבי״ם].