Medieval scholasticism · Theology · c. 1225–1274
Thomas Aquinas
Reason together toward the good.
Italy · Paris · Cologne
Reading guides
A thread to guide your reading.
Original introductions to enter the works, discover their central questions and take the reflection further.
Read a question in the Summa
This vast inquiry, arranged in questions and articles, examines God, creation, human action and Christ. It stages objections and replies within a carefully structured teaching format.
Summa TheologiaeDistinguish essence and existence
This short treatise distinguishes what a thing is from its act of existing and examines genus, species and individuals in material and immaterial substances.
On Being and EssenceWho thinks? A medieval controversy
Aquinas disputes the thesis that all human beings share numerically one possible intellect. His case joins an interpretation of Aristotle to an account of personal action.
On the Unity of the Intellect against the Averroists