Numbers 8:6
Take the Levites, out of the midst of the sons of Israel, - and thou shalt purify them.
Exodus 19:15
And he said unto the people, Be ready, by the third day, - do not approach a woman.
Isaiah 52:11
Away! away! come, forth from thence! - Nought unclean, may ye touch, - Come forth out of her midst, Purify yourselves, ye who are to carry the vessels of Yahweh;
2 Corinthians 7:1
Having therefore, these, promises, beloved, let us purify ourselves from all pollution of flesh and spirit, perfecting holiness in fear of God.
James 4:8
Draw near unto God, and he will draw near unto you. Cleanse hands, sinners! Chasten hearts, double souls!