Lutheran reformers in the article on the apology to the Augsburg Confession are talking about this in terms of justifying faith. God has promised me, you, the forgiveness of your sins, all on account of Jesus Christ and demands nothing of you for it. It's by grace through faith alone, alone. And that is what makes the gospel the gospel.
Is the gospel something that we do? Is it something—like a law—that we can execute or abide by? In this episode of White Horse Inn, hosts Michael Horton, Justin Holcomb, Bob Hiller, and Walter Strickland unpack the covenant of grace throughout Scripture, considering the counterintuitive nature of God’s unilateral kindness to us in the gospel.