Hebrews 10:2

10:2 For otherwise would they not have ceased to be offered, since the worshipers would have been purified once for all and so have no further consciousness of sin?

Hebrews 10:22

10:22 let us draw near with a sincere heart in the assurance that faith brings, because we have had our hearts sprinkled clean from an evil conscience and our bodies washed in pure water.