Leviticus 15:16
And if any man's semen go out from him, then he shall wash all his flesh in water, and be unclean until the evening.
Leviticus 22:4
Whatsoever man of the descendants of Aaron who is a leper, or has a discharge; he shall not eat of the holy things, until he is clean. And whoever touches any thing that is defiled by a dead body, or a man who has had an emission of semen;
Deuteronomy 23:10-11
If there be among you any man, that is unclean by reason of some occurrence in the night, then shall he go outside the camp, he shall not come inside the camp:
Leviticus 15:5
And whosoever touches his bed shall wash his clothes, and bathe himself in water, and be unclean until the evening.
2 Corinthians 7:1
Having therefore these promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.
1 Peter 2:11
Dearly beloved, I beseech you as aliens and exiles, abstain from fleshly lusts, which war against the soul;
1 John 1:7
But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanses us from all sin.