Arianism teaches that Jesus is not “of one essence with the Father,” or homoousios(the word used by St. Athanasius of Alexandria), but is rather a creature who came into existence when Jesus was born ...

Heresy is any belief or theory strongly at variance with established beliefs or customs (per Wikipedia). Trumpism reminds me ...

Constantius, the ruler of the eastern part of the Empire, was a fervent supporter of Arianism. His brothers Constantine II and Constans, who were pious Orthodox Christians, ruled in the west. They ...