The conflict between St. Cyril and Nestorius culminates in the Council of Ephesus that not only vindicated St. Cyril's single-subject Christology, but canonized his second letter to Nestorius as a standard for understanding the Creed, and which letter became the basis for the definition of Chalcedon...but that's for a few weeks from now.
Orthodoxy and Education: https://tinyurl.com/OrthodoxEducation
Doxamoot 2024: https://tinyurl.com/Doxamoot24
Dr. Jenkins new website with Atheism course: luxchristi.co (note, not .com).