How do we know grace is sufficient for overcoming sin?

Grace is central to the believer's life as it is through grace that one is saved and empowered to resist sin. Romans 5:20 states that where sin increased, grace abounded all the more. This underscores that God’s grace provides not just salvation but the power to overcome sin. The believer, through the Holy Spirit, is called to walk in the Spirit and thus will not fulfill the lust of the flesh (Galatians 5:16). The promise of grace reigning through righteousness empowers Christians to live a life pleasing to God rather than succumbing to the desires of the flesh. This dynamic illustrates that the believer’s victory over sin stems from reliance on God’s grace rather than personal effort.