Every Major Heresy the Early Church Fought, Explained
The early Church combated numerous heresies that challenged core doctrines of the Trinity, the nature of Christ, and salvation. Gnosticism and Marcionism emerged in the 1st and 2nd centuries, with Gnostics denying Christ’s true humanity and Marcion rejecting the Old Testament God. Arianism, the most disruptive 4th-century heresy, taught that Jesus was a created being …