Shared ground
These verses present a royal appeal, carried by couriers, that calls “the children of Israel” to return to Yahweh, identified as the God of Abraham, Isaac, and Israel. The letter treats the survivors after Assyrian devastation as a “remnant,” and it interprets the visible “desolation” as the result of prior unfaithfulness.
The message ties “returning” to concrete loyalties: ending stubborn resistance, yielding to Yahweh, entering the sanctuary, and serving him. It also holds out hope that a return to Yahweh could change their situation—anger turning away, captives receiving compassion, and people coming back to the land—grounded in Yahweh’s character as “gracious and merciful.”
Where interpretation differs (only where needed)
Who is included in “all Israel and Judah” and “your brothers.” Some read the language as mainly aimed at the northern tribes affected by Assyria (“your brothers” = northern Israelites). Others think it also includes close kin in general (family networks scattered by war), so “brothers” can be both tribal and familial.
How literally “enter into his sanctuary” applies to displaced people. Some take it as a straightforward call to travel to Jerusalem and participate in temple-centered worship. Others stress that the recipients include people under foreign control or in damaged regions, so the phrase functions as a centralized ideal and invitation, even if not everyone could easily act on it immediately.
Why the disagreement exists
The letter uses broad, family-like language (“children of Israel,” “brothers,” “your children”) while addressing a population fragmented by Assyrian conquest. That mixed setting leaves room for different judgments about how wide the audience is and how feasible the sanctuary instruction was for every recipient.
What this passage clearly contributes
The text explicitly links national crisis to covenant unfaithfulness and frames renewed loyalty to Yahweh as the path toward restored favor. It also shows how the Jerusalem temple and its worship function as the public center Hezekiah promotes for reunified identity. Finally, the passage holds together warning and hope: judgment is real (“desolation”), yet mercy is presented as available if there is a genuine turning back to Yahweh (2 Chronicles 30:6–9).