How do we know the doctrine of Christ's grace is true?

The doctrine of Christ's grace is evidenced through the fulfillment of Old Testament prophecies and the very nature of His redemptive work. The gospel reveals that Jesus Christ is the culmination of what was foretold through the law and the prophets. Romans 1:16-17 affirms that the gospel is the power of God for salvation to everyone who believes, showcasing how salvation is not based on our works but through faith in Christ alone. Moreover, Hebrews 6:19-20 describes Christ as our anchor of hope and a forerunner who has gone before us, securing our salvation. Thus, the entirety of Scripture affirms the truth of Christ’s grace as essential for redemption.