Numbers 8:6
Separate the Levites from the rest of the Israelites. Make them clean.
Exodus 19:15
He said to the people: Get ready for the third day. Do not go near a woman for sexual intercourse.
Isaiah 52:11
Get out of her my people! Touch no unclean thing! Come out from it and be pure, you who carry the vessels of Jehovah.
2 Corinthians 7:1
Having these promises, beloved, let us cleanse ourselves from all defilement of flesh and spirit, perfecting holiness with deep reverence for God.
James 4:8
Draw close to God, and he will draw close to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded (uncertain) (doubter) (skeptic).