Hebrews 9:12-14 English Standard Version (ESV)

¹² he entered once for all into the holy places, not by means of the blood of goats and calves but by means of his own blood, thus securing an eternal redemption. ¹³ For if the blood of goats and bulls, and the sprinkling of defiled persons with the ashes of a heifer, sanctify^[a] for the purification of the flesh, ¹⁴ how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, purify our^[b] conscience from dead works to serve the living God.

Hebrews 10:9-12 English Standard Version (ESV)

⁹ then he added, “Behold, I have come to do your will.” He does away with the first in order to establish the second. ¹⁰ And by that will we have been sanctified through the offering of the body of Jesus Christ once for all.

¹¹ And every priest stands daily at his service, offering repeatedly the same sacrifices, which can never take away sins. ¹² But when Christ^[a] had offered for all time a single sacrifice for sins, he sat down at the right hand of God,

Ephesians 5:2 English Standard Version (ESV)

² And walk in love, as Christ loved us and gave himself up for us, a fragrant offering and sacrifice to God.