Jeremiah 51:20

20 You are my war club, my weapon of battle: with you I smash nations; with you I destroy kingdoms;

Jeremiah 51:20 Meaning and Commentary

Jeremiah 51:20

Thou [art] my battle axe [and] weapons of war
This is said by the Lord, either to Cyrus, as some, to which our version inclines, whom God made use of as an instrument to subdue nations and kingdoms, and destroy them; see ( Isaiah 45:1 ) ; or rather Babylon, and the king of it, who had been the hammer of the earth, ( Jeremiah 50:23 ) ; as it may be rendered here, "thou [art] my hammer" F19; or, "hast been"; an instrument in his hands, of beating the nations to pieces, as stones by a hammer, and of destroying them, as by weapons of war: this, and what follows, are observed to show, that though Babylon had been used by the Lord for the destruction of others, it should not be secure from it itself, but should share the same fate; unless this is to be understood of the church of God, and kingdom of Christ, which in the latter day will break in pieces all the kingdoms of the earth, ( Daniel 2:44 ) ; which sense seems to have some countenance and confirmation from ( Jeremiah 51:24 ) "in your sight". The Targum is,

``thou art a scatterer before me, a city in which are warlike arms;''
which seems to refer to Babylon: for with thee will I break in pieces the nations, and with thee will I
destroy kingdoms;
or, "with thee I have broke in pieces, [and] have destroyed"; the future instead of the past F20; as the nations and kingdoms of Judea, Egypt, Edom, Moab, Ammon, and others: or, "that I may break in pieces" F21 and so it expresses the end for which he was a hammer, as well as the use he had been or would be of.
FOOTNOTES:

F19 (yl hta Upm) "malleus es, [vel] fuisti mihi", Pagninus, Piscator, Cocceius, Schmidt.
F20 "Dispersi, perdidi", Lutherus; "conquassavi", Munster; "dissipavi", Piscator.
F21 (ytupnw) "ut dissiparem", Junius & Tremellius; "ut dispergam", Schmidt.

Jeremiah 51:20 In-Context

18 They are worthless, a work of delusion; at the time of their punishment they shall perish.
19 Not like these is the Lord, the portion of Jacob, for he is the one who formed all things, and Israel is the tribe of his inheritance; the Lord of hosts is his name.
20 You are my war club, my weapon of battle: with you I smash nations; with you I destroy kingdoms;
21 with you I smash the horse and its rider; with you I smash the chariot and the charioteer;
22 with you I smash man and woman; with you I smash the old man and the boy; with you I smash the young man and the girl;
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.