Man and Sin by Piet Schoonenberg (1964) 2.2 CB-2
Summary of text [comment] page 75
Good always entails more than what is attributed to nature alone.
This echoes the doctrine about free will in fallen man promulgated by the Council of Trent. Original Sin unloosed concupiscence. Yet, our free will is by no means taken away, although weakened and inclined to evil.