How does the mitzva of the oil and the lighting end up in the middle of the blueprints of the Mishkan, in between the description of the structure and its holy vessels and that of the glorious holy garments of the kohanim?
In describing the dwelling of the Shechina (Divine Presence) in the Mishkan, our parasha says: “I shall dwell in the midst of Bnei Yisrael … I took you out of the Land of Egypt to have My Presence dwell in your midst” (Shemot 29:45-6). Rashi says that Hashem took Bnei Yisrael out on condition that He would have His Shechina among them, and the Ramban adds that this dwelling of the Shechina is for Hashem’s benefit.