Jesus' death wasn't the end of the story. It was the beginning of a new reality, both for Him and for us.
Peter highlights two crucial states of Christ: 'put to death in the flesh' and 'made alive in the spirit.' His death in the physical realm ('the flesh') was the necessary atonement for sin. But His subsequent resurrection in the spiritual realm ('the spirit') signifies His victory over death and sin. This resurrection power is not just historical fact; it's the very power that allows us, through faith, to be brought to God. It means our old selves are crucified with Him, and we are raised to new life, allowing us to walk in God's ways.