This is an excerpt from “Confession and Absolution” by John T. Pless in Common Places in Theology: A Curated Collection of Essays from Lutheran Quarterly, edited by Mark Mattes, (1517 Publishing 2023).
Luther recognized that in the penitential psalms, God gives us the words to cry out to Him in our distress, lament our sins, and confess trust in the promise of His righteousness in which alone is our sure and certain hope.