Why is it essential to understand the spiritual kingdom of Christ?

The concept of Christ's spiritual kingdom is vital for Christians as it defines our relationship with Him and the nature of our faith. Jesus explicitly stated that His kingdom is not of this world (John 18:36), which underscores that His reign is not about earthly power but rather spiritual transformation and redemption. This understanding aligns with the teaching that His kingdom is established through His death and resurrection, providing believers with a new birth into this kingdom (John 3:3). As participants in this spiritual kingdom, Christians are called to live out their faith through love, obedience, and witness, reflecting the glory of Christ as they await His return in full power and glory.