Isaiah 4:3 speaks about a future time after severe loss, when only some people are still present in Zion/Jerusalem. The verse is selective: it is not “everyone who ever belonged,” but those who are left and remain.

It also says these survivors “will be called holy.” In the wording of the verse, “holy” is a public label given to them, not merely a private feeling. The verse further narrows the group by a kind of written record: “everyone who is written among the living in Jerusalem.”

Where interpretation differs (only where needed)

Two main questions draw different readings:

1. What does “written among the living” refer to? Some take it as a real civic/temple register of recognized survivors and members of Jerusalem. Others hear it as a symbolic “book of the living,” a way of speaking about those counted as truly belonging to God’s renewed people.

2. What does “holy” mean here? Some read “holy” mainly as a declared status—set apart as the recognized community that remains. Others think it also implies a moral reality: the survivors are “holy” because they have been purified (which the nearby verses describe more directly in 4:4).

Why the disagreement exists The verse itself does not explain what “written” is (civic list or symbolic register), and it does not spell out whether “holy” is primarily status, character, or reputation. The immediate context points toward cleansing and renewal in the next verses (4:4–6), which leads some readers to fold moral transformation into verse 3, while others keep verse 3 focused on identification and membership.

What this passage clearly contributes This verse links survival after judgment with redefined community identity. It presents holiness as something publicly named over the remnant, and it draws a clear boundary around who is included: those “written among the living” in Jerusalem. Within Isaiah’s larger message about the “Holy One of Israel,” the text contributes the idea that judgment does not erase Jerusalem’s future; it produces a reduced community whose identity is marked as set apart (compare the broader remnant theme in Isaiah 10:20).