Bible Verses About Purification: Figurative

I wash my hands in innocence that I may go about Your altar, O LORD,

Purify me with hyssop, and I will be clean; wash me, and I will be whiter than snow.

I will also sprinkle clean water on you, and you will be clean. I will cleanse you from all your impurities and all your idols.

let us draw near with a sincere heart in full assurance of faith, having our hearts sprinkled to cleanse us from a guilty conscience and our bodies washed with pure water.