What is the difference between the kingdom of grace and the kingdom of glory?

The kingdom of grace is understood as the present spiritual reign of Christ in the hearts of believers, where His grace governs their lives and leads to transformation (Romans 14:17). This kingdom is characterized by spiritual nourishment and obedience to God's word, emphasizing the internal acceptance of Christ as King. In contrast, the kingdom of glory represents the future, consummate state that awaits believers in heaven, where sin and suffering are eradicated, and they will experience the fullness of joy in God's presence (Matthew 25:34). The transition from the kingdom of grace to the kingdom of glory is motivated by the believer's ongoing desire for spiritual growth, culminating in the final redemption and reward of eternal life.