Cross reference
Hebrews 10:18
18 and where forgiveness of these `is', there is no more offering for sin.
Hebrews 10:2
2 since, would they not have ceased to be offered, because of those serving having no more conscience of sins, having once been purified?
Hebrews 10:14
14 for by one offering he hath perfected to the end those sanctified;