The blood of Jesus is the once for all sacrifice for sin

Hebrews 9:11–10:18 (ASV)

¹¹But Christ having come a high priest of the good things to come, through the greater and more perfect tabernacle, not made with hands, that is to say, not of this creation, ¹²nor yet through the blood of goats and calves, but through his own blood, entered in once for all into the holy place, having obtained eternal redemption. ¹³For if the blood of goats and bulls, and the ashes of a heifer sprinkling them that have been defiled, sanctify unto the cleanness of the flesh: ¹⁴how much more shall the blood of Christ, who through the eternal Spirit offered himself without blemish unto God, cleanse your conscience from dead works to serve the living God? ¹⁵And for this cause he is the mediator of a new covenant, that a death having taken place for the redemption of the transgressions that ...