Jeremiah 33:15-16
33:15 In those days and at that time I will raise up for them a righteous descendant of David. “‘He will do what is just and right in the land.
33:16 Under his rule Judah will enjoy safety and Jerusalem will live in security. At that time Jerusalem will be called “The Lord has provided us with justice.”
Jeremiah 33:21
33:21 could my covenant with my servant David and my covenant with the Levites ever be broken. So David will by all means always have a descendant to occupy his throne as king and the Levites will by all means always have priests who will minister before me.