“Faith which justifies is not merely a knowledge of history, but it is to assent to the promise of God, in which, for Christ's sake, the remission of sins and justification are freely offered. It is the certainty or the certain trust in the heart, when, with my whole heart, I regard the promises of God as certain and true, through which there are offered me, without my merit, the forgiveness of sins, grace, and all salvation, through Christ the Mediator... It is not my doing, not my presenting or giving, not my work or preparation, but that a heart comforts itself, and is perfectly confident with respect to this, namely, that God makes a present and gift to us, and not we to Him, that He bestows upon us every treasure of grace in Christ"
- The Apology of the Augsburg Confession, Article IV(II): Of Justification
