All the first-fruits of the Sanctuary, which the sons of Israel offer to the Lord, I have given to you and to your sons as well as to your daughters, as a perpetual right. It is an everlasting covenant of salt before the Lord, for you and for your sons."
And the Lord said to Aaron: "Behold, I have given you custody of my first-fruits. Everything that is sanctified by the sons of Israel I have delivered to you and your sons, for the office of the priesthood, by everlasting ordinances.