וּדְבִ֧יר בְּתוֹךְ־הַבַּ֛יִת מִפְּנִ֖ימָה הֵכִ֑ין לְתִתֵּ֣ן שָׁ֔ם אֶת־אֲר֖וֹן בְּרִ֥ית יְהוָֽה׃
And he prepared the Sanctuary in the midst of the house within, to set there the ark of the covenant of the LORD.
Read kabbalistic (mystical) interpretation of I Kings 6:19: and classical mystical sources.