Ephesians 5:26-27

that he might sanctify it, purifying it in the laver of water by the word,

Hebrews 9:13-14

For if the blood of bulls, and of goats, and the ashes of an heifer sprinkling the defiled sanctifieth to corporal purification,

1 John 1:7

but if we walk in the light, as he is himself in the light, we have communion with each other, and the blood of Jesus Christ his Son cleanseth us from all sin.

1 John 1:9

If we confess our sins, faithful is he and righteous to forgive us our sins, and to cleanse us from all unrighteousness.

Revelation 21:3-4

And I heard a loud voice from heaven saying, Behold the tabernacle of God is with men, and he shall pitch his tent with them, and they shall be his people, and God himself shall be with them, their own God.

Revelation 21:7

He that overcometh shall inherit all things, and I will be to him a God, and he shall be to me a son.

Treasury of Scripture Knowledge

Summary

Neither shall they defile themselves any more with their idols, nor with their detestable things, nor with any of their transgressions: but I will save them out of all their dwellingplaces, wherein they have sinned, and will cleanse them: so shall they be my people, and I will be their God.

They be

Bible References

Will cleanse

Ephesians 5:26
that he might sanctify it, purifying it in the laver of water by the word,
Hebrews 9:13
For if the blood of bulls, and of goats, and the ashes of an heifer sprinkling the defiled sanctifieth to corporal purification,
1 John 1:7
but if we walk in the light, as he is himself in the light, we have communion with each other, and the blood of Jesus Christ his Son cleanseth us from all sin.

They be

Revelation 21:3
And I heard a loud voice from heaven saying, Behold the tabernacle of God is with men, and he shall pitch his tent with them, and they shall be his people, and God himself shall be with them, their own God.