Leviticus 21:21
No man of the seed of Aaron the priest, that hath a blemish, shall come nigh to offer the offerings of the LORD made by fire; he hath a blemish, he shall not come nigh to offer the bread of his God.
Leviticus 21:6
They shall be holy to 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.
Leviticus 21:8
Thou shalt sanctify him therefore, for he offereth the bread of thy God: he shall be holy to thee: for I the LORD, who sanctify you, am holy.
Leviticus 21:17
Speak to Aaron, saying, whoever he may be of thy seed in their generations that hath any blemish, let him not approach to offer the bread of his God: