Jeremiah 3:18

Jews from both Israel and Judah would return to the Promised Land from their various places of captivity "in those days" (cf. Hosea 3:5; Micah 2:12). The Israelites had gone off to the north to Assyria, and the Judahites would go off to the north to Babylon, and they would return from that direction. The "north," here, represents wherever the Israelites had gone following the Lord’s disbursal of them. The ten tribes of Israel are not, and never were, "lost," but scattered, awaiting their repentance and regathering in faith to the land. Some of them returned to the Promised Land at the end of the Exile, but Titus scattered the Jews again-in all directions-when he destroyed Jerusalem in A.D. 70.

"Since there is no indication that the ten tribes ever repented, the projected union must point to the Messianic age of grace, when Jew and Gentile alike will do honour before the enthroned Lord in Zion." [Note: Ibid., p. 67. Cf. Zechariah 14:16-19.]