Arianism was the fourth century evolution of adoptionism, in which Arius made a concession to the mainstream by accepting a quasi-divinity in Jesus Christ. But this was an acquired divinity, an earned divinity, and a divinity that was less than that of the Father. The controversy led to the first...

In the aftermath of the persecutions, controversies arose over the sacraments, which required clarification of the Church’s sacramental theology. Out of those controversies, new schisms emerged which had a correct understanding of the doctrine of the Trinity, but incorrect understandings of...

In this second part of a two-part series on Novatian of Rome, Dr. Papandrea discusses the flawed sacramental theology and ecclesiology of Novatian, which led to a schism that not only lasted for centuries, but created a new situation in which a faction could be orthodox with regard to the...