In this fourth post in our series on Aquinas and the Council of Trent, I examine what St. Thomas Aquinas says about another effect of sin, namely, stain in the soul. How does sin cause a stain in the soul? What is this stain? Is it caused by all sins or only mortal sins? Does […]

In this third post in this series, I examine what St. Thomas Aquinas says about the effects of sin, and in particular his discussion of the corruption of human nature by sin. Is human nature entirely corrupted by sin? If not, how can human nature be partly corrupted and partly uncorrupted by sin? What are […]

Before I talk about the fifth session of the Council of Trent, I will do two things. First, I will offer a brief summary of Aquinas’ teaching in his Summa Theologiae regarding the essence of original sin. Following that, I will give a short overview of what Aquinas says about the effects of sin. So […]

It is quite difficult to distinguish God’s actions from those of his creatures. Some think that God does everything; others imagine that he only conserves the force he has given to created things. How far can we say either of these opinions is right? – Leibniz, Discourse on Metaphysics VIII

One of the most fundamental points of disagreement between Protestants and the Catholic Church, and one that presently keeps us divided, was the subject of the sixth session of the Council of Trent. This session addressed the doctrine of justification. Some Protestants believe that in this session the Catholic Church “anathematized the gospel” and formally […]