(25:8) Let them make a sanctuary for Me, then I will dwell among them.
Let them make a sanctuary for Me R. Tarfon said: You can see how highly labor is regarded, for God did not cause His Shechinah to rest upon Israel before they did work. As it says “Let them make a sanctuary for Me, then I will dwell among them” (Avot d'Rabbi Natan 11).
(25:11) Cover it with a layer of pure gold on the inside and the outside, and make a gold crown all around its top.
Cover it on the inside and the outside Rava interpreted this metaphorically to mean: Any Torah scholar whose inside is not like his outside—who is not sincere—is no scholar (Yoma 72b).
NOTE: A Torah scholar is compared to the ark of the covenant because it contained the tablets, which comprise the fundamentals of the Torah. The ark of the covenant was the goldplated wooden chest that housed the two tablets of the Law given to Moses by God. The ark rested in the Holy of Holies