Leviticus 16:30
"For on that day shall the priest make an atonement for you, to cleanse you, that ye may be clean from all your sins before the LORD."
Cross References (ranked by relevance)
And I will cleanse them from all their iniquity, whereby they have sinned against me; and I will pardon all their iniquities, whereby they have sinned, and whereby they have transgressed against me.
That he might sanctify and cleanse it with the washing of water by the word,
Wash me throughly from mine iniquity, and cleanse me from my sin.
Who gave himself for us, that he might redeem us from all iniquity, and purify unto himself a peculiar people, zealous of good works.
Purge me with hyssop, and I shall be clean: wash me, and I shall be whiter than snow.
Create in me a clean heart, O God; and renew a right spirit within me.