Most Relevant Verses
The Lord said to Moses, Speak to the priests [exclusive of the high priest], the sons of Aaron, and say to them that none of them shall defile himself for the dead among his people [by touching a corpse or assisting in preparing it for burial],
He shall not even defile himself, being a [bereaved] husband [his wife not being his blood kin] or being a chief man among his people, and so profane himself.
And they shall go near to no dead person to defile themselves, except for father or for mother, for son or for daughter, for brother or for sister who has had no husband; for them they may defile themselves.
Tell them, Any one of your offspring throughout your generations who goes to the holy things which the Israelites dedicate to the Lord when he is unclean, that [priest] shall be cut off from My presence and excluded from the sanctuary; I am the Lord.
No man of the offspring of Aaron who is a leper or has a discharge shall eat of the holy things [the offerings and the showbread] until he is clean. And whoever touches any person or thing made unclean by contact with a corpse or a man who has had a discharge of semen, Or whoever touches any dead creeping thing by which he may be made unclean, or a man from whom he may acquire uncleanness, whatever it may be, The priest who has touched any such thing shall be unclean until evening and shall not eat of the holy things unless he has bathed with water.
I have not eaten of the tithe in my mourning [making the tithe unclean], nor have I handled any of it when I was unclean, nor given any of it to the dead. I have hearkened to the voice of the Lord my God; I have done according to all that You have commanded me.
All the days that he separates himself to the Lord he shall not go near a dead body. He shall not make himself unclean for his father, mother, brother, or sister, when they die, because his separation and abstinence to his God is upon his head.
Then said I to them, Let every man cast away the abominable things on which he feasts his eyes, and defile not yourselves with the idols of Egypt; I am the Lord your God.
But I said to their sons in the wilderness, You shall not walk in the statutes of your fathers nor observe their ordinances nor defile yourselves with their idols.
But he said to me, Behold, you shall become pregnant and bear a son, and now drink no wine or strong drink and eat nothing unclean, for the child shall be a Nazirite to God from birth to the day of his death.
Turn not to those [mediums] who have familiar spirits or to wizards; do not seek them out to be defiled by them. I am the Lord your God.
So, come out from among [unbelievers], and separate (sever) yourselves from them, says the Lord, and touch not [any] unclean thing; then I will receive you kindly and treat you with favor,
Depart, depart, go out from there [the lands of exile]! Touch no unclean thing! Go out of the midst of her [Babylon]; cleanse yourselves and be clean, you who bear the vessels of the Lord [on your journey from there].
So get rid of all uncleanness and the rampant outgrowth of wickedness, and in a humble (gentle, modest) spirit receive and welcome the Word which implanted and rooted [in your hearts] contains the power to save your souls.