Leviticus 21:6

They shall be holy to their God, and they shall not pollute his name. For they offer the incense of the Lord and the bread of their God, and because of this they shall be holy

Other versions

King James Version

They shall be holy unto their God, and not profane the name of their God: for the offerings of the LORD made by fire, and the bread of their God, they do offer: therefore they shall be holy.

English Standard Version

They shall be holy to their God and not profane the name of their God. For they offer the LORD's food offerings, the bread of their God; therefore they shall be holy.

New International Version

They must be holy to their God and must not profane the name of their God. Because they present the offerings made to the LORD by fire, the food of their God, they are to be holy.