Why is it important for Christians to grow spiritually?

The call for spiritual growth is found in 2 Peter 3:18 where believers are urged to grow in the grace and knowledge of Jesus Christ. This growth is not optional but essential for a mature and fruitful Christian life. It equips believers to face life's challenges and to encourage others in the faith. As their understanding of God's word deepens, their ability to discern truth from falsehood increases, enabling them to stand firm against deception and trials. Furthermore, spiritual growth produces fruit in character that reflects Christ, building up the body of Christ and glorifying God.