Opera Omnia Projects

Check the status of the lastest Opera Omnia projects


View our latest publication, Commentary on Metaphysics, and others in our online store

Online Classes

Faculty will lead live online video discussions every class period, enabling students to take an active role in each class

Aquinas Online

View our searchable texts

what we do


We translate and publish all of the writings of Thomas Aquinas — many of which have never been translated into English! — in an accessible two column-layout.

All published works can be found in our bookstore, and you can learn more about our current translation projects here on our website.

Learn more about translations


We offer discussion-based online courses for students around the world, full or part time!

Our graduate-level Theology Curriculum provides an immersion in Scripture, dogma, and morality for those pursuing an M.A. in Theology.

Learn more about classes

the translations


trans·late /transˈlāt/

to express the sense of (words or text) in another language

Our world-class team of translators is currently finishing St. Thomas’s Commentary on Psalms and Isaiah!

Learn more about our translation projects

View and purchase our books

our approach

What is a “discussion based” class?

At the Aquinas Institute, we believe that learning and friendship are fostered through the sharing of ideas and ultimate journey towards knowledge and the discovery of truth. A “discussion based” class is a unique classroom setting in which the students and professor(s) engage with the subject content in an interactive dialogue, in contrast to the lecture style of most colleges and asynchronous learning common for online programs.

Watering the Mountains: The Commentary on the Psalms

It is with great joy that we announce our forthcoming translation of Thomas Aquinas’s Commentary on the Psalms, available for pre-order here, in a new translation by Sr. Albert Marie Surmanski, OP and Sr. Maria Veritas Marks, OP. St. Thomas’s prologue to this work...

The Greatness of St. Albert

The Greatness of St. Albert

Despite being one of only a handful of saints with the title “Great,” St. Albert seems to live in the shadow of his greatest pupil, St. Thomas Aquinas. Any description of the life of this doctor of the Church necessarily focuses on the fact that he was St. Thomas’s teacher—sometimes as though it was his greatest achievement. Yet perhaps this does give us the key to St. Albert’s greatness.

A New Direction for Spring 2022

A New Direction for Spring 2022

How do I get back there? How do I return to thinking about the important things and asking meaningful questions? How do we keep our lives trained on the True, the Good, and the Beautiful once we leave school? And what about those of us who never had the chance to explore what really matters while we were in school?