Exodus 30:37
The incense which you shall make, you shall not make in the same proportions for yourselves; it shall be holy to you for the Lord.
Exodus 29:37
For seven days you shall make atonement for the altar [of burnt offering] and consecrate it; then the altar shall be most holy. Whatever touches the altar must be holy (set apart for God’s service).
Exodus 30:32-33
It shall not be poured on anyone’s body, nor shall you make any like it in the same composition. It is holy, and it shall be sacred to you.
Leviticus 2:3
What is left of the grain offering belongs to Aaron and his sons; it is a most holy part of the offerings to the Lord by fire.