"Theodore of Mopsuestia (ca. 350-428) wrote a book titled Against the Defenders of Original Sin which Saint Photios the Great read and reviewed in his Bibliotheca (177). It is often said that Theodore was the only eastern bishop who not only spoke about but also against Original Sin as formulated in the West, but with this review we see that Saint Photios does as well. The chief defender of the doctrine...

The Church in the post-Iconoclast age and pre-schism period, in the Eighth Oecumenical Council under St. Photios the Great and at the end of the first millennium and the eve of the Great Schism and beyond.

The fifth lesson of our 10 week course, "Orthodox Ecclesiology: The One, Holy, Catholic and Apostolic Church and the Pan-Heresy of Syncretistic Ecumenism" will also look at the 1st-2nd Council...