Genesis 35:2

2So Jacob said to his ahousehold and to all who were with him, “Put away bthe foreign gods that are among you and cpurify yourselves and change your garments.

Exodus 19:10

10the Lord said to Moses, “Go to the people and dconsecrate them today and tomorrow, and let them ewash their garments

Numbers 19:14-16

14“This is the law when someone dies in a tent: everyone who comes into the tent and everyone who is in the tent shall be unclean seven days. 15And every fopen vessel that has no cover fastened on it is unclean. 16 gWhoever in the open field touches someone who was killed with a sword or who died naturally, or touches a human bone or a hgrave, shall be unclean seven days.

Numbers 19:22

22And iwhatever the unclean person touches shall be unclean, and anyone who touches it shall be unclean until evening.”

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