Exodus 26:33

26:33 You are to hang this curtain under the clasps and bring the ark of the testimony in there behind the curtain. The curtain will make a division for you between the Holy Place and the Most Holy Place.

Exodus 29:44

29:44 “So I will set apart as holy the tent of meeting and the altar, and I will set apart as holy Aaron and his sons, that they may minister as priests to me.

Exodus 30:32

30:32 It must not be applied to people’s bodies, and you must not make any like it with the same recipe. It is holy, and it must be holy to you.