Hebrews 10:2

For then would they not have ceased to be offered? because that the worshippers once purged should have had no more conscience of sins.

Cross References

Psalms 103:12 As far as the east is from the west, so far hath he removed our transgressions from us.
Isaiah 43:25 I, even I, am he that blotteth out thy transgressions for mine own sake, and will not remember thy sins.
Isaiah 44:22 I have blotted out, as a thick cloud, thy transgressions, and, as a cloud, thy sins: return unto me; for I have redeemed thee.
Micah 7:19 He will turn again, he will have compassion upon us; he will subdue our iniquities; and thou wilt cast all their sins into the depths of the sea.
Hebrews 9:13-14 For if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purifying of the flesh: How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?
Hebrews 10:17 And their sins and iniquities will I remember no more.