Zechariah 1:19

19So I asked the angelic messenger
See the note on the expression “angelic messenger” in v. 9.
who spoke with me, “What are these?” He replied, “These are the horns
An animal’s horn is a common OT metaphor for military power (Pss 18:2; 75:10; Jer 48:25; Mic 4:13). The fact that there are four horns here (as well as four blacksmiths, v. 20) shows a correspondence to the four horses of v. 8 which go to four parts of the world, i.e., the whole world.
that have scattered Judah, Israel, and Jerusalem.”
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