The blessed assurance or guarantee we have is found within the person of Jesus Christ and belief in Him. Although we are created in Christ for good works—God working in and through us—salvation is a gift by grace through faith (apart from works) and is not the result of any effort on our part. As Paul said in Romans 4:5: "But to him who does not work but believes on Him who justifies the ungodly, his faith is accounted for righteousness."
912. Overheard From Fruit Inspectors: “Did They Have a Genuine Conversion?”
The blessed assurance or guarantee we have is found within the person of Jesus Christ and belief in Him. Although we are created in Christ for good works—God working in and through us—salvation is a gift by grace through faith (apart from works) and is not the result of any effort on our part. As Paul said in Romans 4:5: "But to him who does not work but believes on Him who justifies the ungodly, his faith is accounted for righteousness."