Ephesians 5:26-27

to sanctify and purify her by the ablution of his word,

Hebrews 9:13-14

For if the blood of goats and of bulls, and the ashes of an heifer sprinkled on the unclean, can cleanse them from external impurities;

1 John 1:7

but if we walk in the light, as he is in the light, we have society one with another, and the blood of his son Jesus Christ cleanseth us from all sin.

1 John 1:9

if we confess our sins, as he is faithful and just, he will forgive us our sins, and cleanse us from all iniquity.

Revelation 21:3-4

then I heard a great voice out of heaven, saying, "behold, the tabernacle of God is with men: he will dwell with them, they shall be his people, God himself shall be with them, as their God.

Revelation 21:7

he that overcomes, shall inherit these things: I will be his God, and he shall be my 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
to sanctify and purify her by the ablution of his word,
Hebrews 9:13
For if the blood of goats and of bulls, and the ashes of an heifer sprinkled on the unclean, can cleanse them from external impurities;
1 John 1:7
but if we walk in the light, as he is in the light, we have society one with another, and the blood of his son Jesus Christ cleanseth us from all sin.

They be

Revelation 21:3
then I heard a great voice out of heaven, saying, "behold, the tabernacle of God is with men: he will dwell with them, they shall be his people, God himself shall be with them, as their God.