Shared ground
These verses present the temple’s innermost space as a distinct, highly set-apart room (“the most holy house”). The description is concrete and architectural: its shape is square (twenty by twenty cubits), and its surfaces are richly covered with gold. The text also stresses how extensive and detailed the gold work was—down to the weight of gold used for nails—and notes that other parts (“upper chambers”) received gold overlay as well.
Explicitly, the passage is not explaining a ritual here; it is recording measurements and materials. The theological weight comes by inference: the inner room is treated as the temple’s most restricted and most honored space, and its “set-apartness” is communicated through scale, symmetry, and costly covering.
Where interpretation differs
“According to the breadth of the house.” Some understand this as a simple alignment statement: the inner room’s length matched the temple’s overall width, reinforcing the inner room’s square plan. Others think it is describing how the inner room was placed or oriented within the larger building, not just its abstract dimensions.
“Six hundred talents.” Some read this as the actual amount of gold used to overlay the inner room. Others read it as a valuation figure (the gold assigned/assessed for that work), since ancient reports can use weights to express cost.
“Upper chambers.” Some take these as rooms above or around parts of the temple structure (upper stories or side rooms). Others think the phrase points to specific spaces connected to the inner room area, but the exact location is uncertain.
Why the disagreement exists
The passage is brief and uses building-report shorthand. It assumes readers already know the temple plan and the meaning of terms like “upper chambers.” Also, ancient weight terms can function either as “material used” or “value counted,” and the text does not stop to clarify which sense is intended.
What this passage clearly contributes
It underscores that the “most holy” space is architecturally marked off (a defined inner room), proportioned with intentional symmetry (twenty by twenty), and distinguished by extraordinary precious-metal work (fine gold in a stated amount, even gold for nails). It also shows that the temple’s splendor was not confined to one room: additional spaces (the “upper chambers”) shared in the gold overlay, extending the theme of comprehensive richness beyond the inner sanctum.