Shared ground
Isaiah 25:1–2 presents a first-person voice addressing Yahweh directly (“my God”) and responding with public honor (“exalt…praise”). The stated reason is not a vague feeling but Yahweh’s concrete actions: “wonderful things” that match “counsels of old,” carried out in “faithfulness and truth.”
The passage then supplies an example: a “city” and “fortified city” are reduced to rubble, and a “palace of foreigners” is erased so completely it is “no city,” with no rebuilding envisioned. The basic picture is the collapse of a power-center that once looked secure.
Where interpretation differs
1) Which “city” is in view. Some read the city as a symbol for human pride and oppressive power in general (any “strong city” that defies God). Others think Isaiah is pointing to a specific historical target (a known capital or fortress), but left unnamed so the point applies more broadly.
2) What “counsels of old” refers to. Some take it as earlier prophetic announcements now coming true. Others take it more broadly as God’s long-standing purpose (older than any one oracle), with the emphasis on God’s consistent intention.
3) How final “never be built” is. Some read it as absolute and permanent for that particular site. Others understand it as strong, poetic finality: the city’s role as a dominant power-center will not return, even if later building happens in the area.
Why the disagreement exists
The poem does not name the city, and its language can work at more than one level: it fits real siege-and-ruin experiences in Isaiah’s world, and it also functions as a reusable image of God bringing down what looks unshakable. Likewise, “counsels of old” can naturally point either to earlier messages already spoken or to a broader claim about God’s long-term governance.
What this passage clearly contributes
The text explicitly ties praise to God’s completed deeds and insists those deeds are not random: they align with older purpose and are marked by reliability (“faithfulness and truth”). It also contributes a stark view of how completely God can overturn fortified human security: a city can go from defended prominence to irreversible ruin. The passage’s theology is not only about power, but about purposeful action—God’s plans are portrayed as both intentional and successfully carried out Isaiah 25:1.