1 Peter 3:
1 John 2:18 For Christ also suffered once for sins, the righteous for the unrighteous, that he might bring us to God, being put to death in the flesh but made alive in the spirit,
Hebrews 10:2 He is the propitiation for our sins, and not for ours only but also for the sins of the whole world.
Romans 6:10 And by that will we have been sanctified through the offering of the body of Jesus Christ once for all.
2 Corinthians 5:10 For the death he died he died to sin, once for all, but the life he lives he lives to God.
15 And he died for all, that those who live might no longer live for themselves but for him who for their sake died and was raised.