How do we know that God's grace is sufficient for our sins?

The assurance of God's grace is beautifully encapsulated in Isaiah 1:18, which promises that though our sins are as scarlet, they shall be made white as snow. This is not merely a hope; it's a reality established through the finished work of Christ on the cross. 2 Corinthians 5:21 explains this transformation, stating, 'For he hath made him to be sin for us who knew no sin; that we might be made the righteousness of God in him.' The essence of sovereign grace theology is that salvation is entirely God's work, where the guilt of our sin is transferred to Christ, removing it completely from us. Thus, we can rest assured that God's grace is not only abundant but also transformative.