How do we know that grace is powerful?

God's grace is powerful, as evidenced by the resurrection of Jesus Christ and its transformative effect on believers. In the sermon, it is emphasized that while the women felt powerless, the grace of God was at work, drawing them to honor Christ despite their darkness (Mark 16:1-2). This grace enables believers to rest from their efforts to justify themselves, as Christ has fulfilled the law on our behalf. Romans 6:14 reminds us that we are not under the law but under grace, which empowers us to live righteously, as it is God's grace that sanctifies us and produces fruit in our lives.