Bible Verses About Purification: Figurative

I will wash mine handes in innocencie, O Lord, and compasse thine altar,

Purge me with hyssope, and I shalbe cleane: wash me, and I shalbe whiter then snowe.

Then wil I powre cleane water vpon you, and ye shalbe cleane: yea, from all your filthines, and from all your idoles wil I clense you.

Let vs drawe neere with a true heart in assurance of faith, our hearts being pure from an euill conscience,