In that day the LORD will defend the inhabitants of Jerusalem; the one who is feeble among them in that day shall be like David, and the house of David shall be like God, like the Angel of the LORD before them.
Zechariah 12:8
Surrounding context
12:7 "The LORD will save the tents of Judah first, so that the glory of the house of David and the glory of the inhabitants of Jerusalem shall not become greater than that of Judah.
12:8 In that day the LORD will defend the inhabitants of Jerusalem; the one who is feeble among them in that day shall be like David, and the house of David shall be like God, like the Angel of the LORD before them.
12:9 It shall be in that day that I will seek to destroy all the nations that come against Jerusalem.