Shared ground
Isaiah ends with a two-part picture: a durable new creation and a durable moral contrast. The text explicitly says Yahweh will make “new heavens and a new earth” that will remain before him, and it links that endurance to the endurance of the people’s “seed” and “name” (v. 22). It then describes ongoing worship with regular time markers (“new moon” and “Sabbath”) and a scope as wide as “all flesh” (vv. 23–24; flesh).
The final verse is deliberately sobering. After the worship scene, observers look on the corpses of those who “transgressed against” Yahweh. The “worm” and “fire” imagery signals an enduring, publicly visible disgrace and revulsion rather than a private ending (v. 24).
Where interpretation differs
Who is included in “your seed and your name” (v. 22)? Some read “your” as still aimed mainly at Israel/Judah, with the nations included in worship but not necessarily as the direct “you.” Others think the immediate context of worldwide gathering makes “your” wide enough to include all who belong to Yahweh in the renewed order.
How literal is the “new heavens and new earth” (v. 22)? Some take it as a future, real renewal of the cosmos. Others understand it primarily as a prophetic way of describing a comprehensive, this-world transformation of society and worship, using cosmic language to signal total change.
Does “all flesh” mean every individual without exception (v. 23)? Many read it as “all humanity” in a broad sense (all peoples), without claiming that every person participates. Others read it more strictly as universal participation in worship, at least in the sense that Yahweh’s kingship is acknowledged by all.
How should “worm…fire” be pictured (v. 24)? Some treat these as images of ongoing decay and destruction whose “not dying/not quenched” stresses permanence of the outcome and warning. Others connect the language more directly to later descriptions of final punishment and argue it points to continuing conscious experience. The verse itself is explicit about corpses and lasting abhorrence, and less explicit about the inner experience of the rebels.
Why the disagreement exists
The passage combines very concrete temple-calendar language (“new moon,” “Sabbath”) with very large-scale language (“new heavens and new earth,” “all flesh”). That mix raises questions about whether the prophet is describing a transformed continuation of historical worship patterns, or using familiar worship language to communicate a reality beyond that setting. Also, v. 24’s imagery is vivid but compressed: it states what is seen (dead bodies) and the ongoing nature of the sign (worm/fire; abhorrence), while leaving several details unstated.
What this passage clearly contributes
This ending ties Isaiah’s message together: Yahweh’s future is stable and lasting (v. 22), his worship is not local or occasional but regular and globally inclusive (v. 23), and rebellion does not simply “fade out” but becomes a permanent negative reference point in the renewed order (v. 24). The passage does not merely promise restoration; it frames restoration alongside a final, public contrast between worship and transgression that endures.