What does the doctrine of justification mean? This article shows that justification by faith in Christ is rooted in understanding the active obedience and passive obedience of Christ. It gives four principles that govern the explanation of Christ's active and passive obedience. To deny one of them is to deny the biblical teaching on justification.

This article is about Johannes Piscator and his view on the justification. In this discussion the the active and passive obedience of Christ, and forgiveness and righteousness is also mentioned.