1 Peter 3: 18 -22 For Christ also suffered once for sins, the just for the unjust, that He might bring us to God, being put to death in the flesh but made alive by the Spirit, by whom also He went and preached to the spirits in prison, who formerly were disobedient, when once the Divine longsuffering waited in the days of Noah, while the ark was being prepared, in which a few, that is, eight souls, were saved through water. There is also an antitype which now saves us–baptism (not the removal of the filth of the flesh, but the answer of a good conscience toward God), through the resurrection of Jesus Christ, who has gone into heaven and is at the right hand of God, angels and authorities and powers having been made subject to Him.
Christ the one just man suffered (died) once for the sins of all men (the unjust) to bring (reconcile) us to God, but he was made alive by the Spirit. Peter reminds us that God delayed His judgment and waited in the days of Noah to save 8 souls, from death through the flood, and now God waits to save those who will be saved through the antitype of baptism into the death and resurrection of the Lord Jesus for those who will respond with the answer of a good conscience toward God (of which baptism is a symbol). Knowing that Jesus Christ our Lord “has gone into heaven and is at the right hand of God, angels and authorities and powers having been made subject to Him.”
What great confirmation and assurance we have in the old and new testament, the whole revelation of God’s word!