Hebrews 9:14 New Living Translation (NLT)

¹⁴ Just think how much more the blood of Christ will purify our consciences from sinful deeds^[a] so that we can worship the living God. For by the power of the eternal Spirit, Christ offered himself to God as a perfect sacrifice for our sins.

Hebrews 10:10-12 New Living Translation (NLT)

¹⁰ For God’s will was for us to be made holy by the sacrifice of the body of Jesus Christ, once for all time.

¹¹ Under the old covenant, the priest stands and ministers before the altar day after day, offering the same sacrifices again and again, which can never take away sins. ¹² But our High Priest offered himself to God as a single sacrifice for sins, good for all time. Then he sat down in the place of honor at God’s right hand.