Shared ground
Ezekiel 37:21–28 presents restoration as God’s own work: he gathers Israel from the nations, brings them back to their land, and ends the old division into “two kingdoms” (explicit textual claims). Political unity (“one nation… one king”) is tied to moral and religious renewal: God cleanses them from idolatry so the covenant relationship can be stated again, “they will be my people, and I will be their God” (explicit).
The passage also connects restoration to lasting stability: a “covenant of peace,” ongoing generations in the land, and God’s permanent presence described as “my sanctuary” and “my tent… in the midst of them” (explicit). A public outcome is included: surrounding nations come to recognize that Israel’s distinct status comes from the Lord’s action (explicit).
Where interpretation differs
“My servant David.” Some read this as a future individual ruler, a renewed Davidic king who leads the reunited people. Others read it as a way of naming a restored Davidic line or ideal kingship, without requiring that the historical David personally return.
“Forever” language. Some read the repeated language as straightforwardly unending in the fullest sense. Others read it as emphasizing permanence and stability from the prophet’s horizon (a restoration meant not to be temporary like earlier arrangements), while allowing that “forever” can function as long-lasting-without-end-in-sight.
The sanctuary. Some take “my sanctuary” to mean a rebuilt, physical temple as a central feature of Israel’s future life in the land. Others think Ezekiel is pointing beyond any single building to the enduring reality of God’s presence with his people, whether or not the description is realized in one specific structure exactly as envisioned.
Why the disagreement exists
The disagreements come from how prophecy uses older symbols (David, kingship, temple) to describe future hope, and from how elastic words like “forever” can be in biblical Hebrew. The same lines can sound like concrete political and architectural promises, and also like broad claims about God’s enduring commitment and presence.
What this passage clearly contributes
This text tightly joins national restoration (return, unity, leadership, land) with spiritual restoration (cleansing from idolatry) and with God’s ongoing presence (“sanctuary… tent”). It also frames Israel’s renewed identity as something God establishes and maintains, and it expects the result to be visible enough that other nations “know” the Lord’s role in setting Israel apart (37:28).