How do we know the Church of the Firstborn is significant?

The significance of the Church of the Firstborn lies in its representation of God's chosen people, highlighted in Hebrews 12:23. This designation implies a relationship that is secure and defined by divine election, marking believers as those who have been called to a special assembly in the heavenly Jerusalem. The Church of the Firstborn is a community defined by God's grace and serves as a reminder that salvation and identity in Christ are rooted in being chosen and known by God, a truth that encourages believers in their faith journey.