Cross reference
Numbers 8:6
6 Take the Levites from among the children of Israel, and cleanse them.
Exodus 19:15
15 And he said unto the people, Be ready against the third day: come not at your wives.
Isaiah 52:11
11 Depart ye, depart ye, go ye out from thence, touch no unclean thing; go ye out of the midst of her; be ye clean, that bear the vessels of the LORD.
2 Corinthians 7:1
1 Having therefore these promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.
James 4:8
8 Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.