Why is justification and sanctification important for Christians?

Justification, as described in Romans 6:20-23, refers to God declaring a sinner righteous based on faith in Christ, while sanctification denotes the process of becoming more like Christ. These two doctrines are intertwined; one cannot be justified without undergoing genuine sanctification because true faith produces a transformed life. Paul highlights that justification frees us from the guilt of sin, while sanctification frees us from sin's power. Understanding these doctrines is essential for Christians as they assure believers of their standing before God and nurture their growth in godliness. Through sanctification, believers are empowered to live out their faith, yielding their lives as instruments of righteousness.