2 Corinthians 7:1

[So], since we have these promises [See 6:16-18], dear ones, we should purify ourselves from everything that pollutes [our] body and spirit while living lives completely separated [from sin], out of reverence for God.

James 4:8

Come close to God and He will come close to you. Wash your hands, you sinful people [i.e., this is an exhortation to repent of moral and spiritual corruption], and purify your hearts, you double-minded people.

Treasury of Scripture Knowledge

Summary

Take the Levites from among the children of Israel, and cleanse them.

Bible References

Cleanse them

2 Corinthians 7:1
[So], since we have these promises [See 6:16-18], dear ones, we should purify ourselves from everything that pollutes [our] body and spirit while living lives completely separated [from sin], out of reverence for God.
James 4:8
Come close to God and He will come close to you. Wash your hands, you sinful people [i.e., this is an exhortation to repent of moral and spiritual corruption], and purify your hearts, you double-minded people.