In a well-known passage from his Commentary on the Sentences of Peter Lombard, Thomas Aquinas makes a distinction between two different kinds of doctrine, each of which “pertain to the faith” in different ways. First, there are doctrines that constitute “the substance of the faith in itself” (per se substantia fidei); second, there are doctrines…

In Adam’s fall we sinned all. In spite of what this well-known pithy summary of the Christian doctrine of original sin might suggest, things are a bit more complicated. Daniel Houck will be joining the Creation Project in the second year as a research fellow to explore how the thought of Thomas Aquinas provides helpful…