Chapter 4 treats the Cappadocians’ hagiographic biographies in conjunction with their polemic against non-Trinitarian theologians.The chapter begins by outlining the background and teachings of Eunomius of Cyzicus (c. 335–c. 395), a longtime heterousian rival to the Cappadocians. The chapter analyzes the narratives about fourth-century Nicene bishop Athanasius of Alexandria (c. 298–372), Basil, and Macrina as hagiographies designed in part to contrast true (pro-Nicene) doctrine against the false philosophy of non-Trinitarians.These saints’ ascetic feats are recounted as spiritual ordeals fashioned as classical contests: in Athanasius, suffering multiple exiles because of standing up to false (heterousian) teachers; in Basil, countering threats to the Nicene faith by imperial officials; and in Macrina, enduring disease and death with unwavering resolve.In each case,Nyssen or Nazianzen emphasize that character is formed out of struggle; and that voice and speech (as a metaphor for doctrine) have been purified and validated in pro-Nicene theologians, but are corrupted and disingenuous in the untested charlatans they oppose.

The bitter division in Alexandria that led to the Council of Nicaea began as a theological dispute between Alexander, the bishop of Alexandria, and a significant number of his clergy, including a presbyter Arius, and quickly overflowed into a feud among eastern bishops. “Arianism” was assumed by scholars and theologians to be a coherent set of heretical teachings embraced by a succession of followers. Historians have now identified sets of alliances rather than genealogies as well as the polemical construction of “Arianism” by Athanasius and Marcellus. This separation of Arius from later “Arianism,” together with the continuing lack of consensus with regard to theological or philosophical genealogies as the source of his thought, encourages another look at the particular social and religious context of the initial local controversy. The central issues of monotheism, apophatic theology, incarnation, and changeability in fact map over traditional Christian apologetic theology and the literary and ecclesiastical legacies of the Great Persecution. Arius’s insistence on divine monotheism and transcendence together with his defense of a “living image” may echo the contemporary arguments with Celsus and Porphyry in Eusebius and Athanasius as well as a refutation of polytheism.

In 525 Dionysius Exiguus compiled his 95-year continuation of the Alexandrian Paschal table, which eventually scheduled the celebration of Pasch for the entire western Church. He also stated that the Council of Nicaea had authorized the 19-year Alexandrian Paschal cycle and that this had been maintained by subsequent Alexandrian bishops. These statements were challenged by Jan in 1718, and since then the question of Nicaean authority has been disputed. However, while the Synoptic Gospels agree that the Crucifixion took place on the day after the Jewish Passover, John’s Gospel places it on the day of the Passover and hence on the fourteenth day of the spring moon. Thus the Evangelistic accounts of Jesus’s Crucifixion conflict chronologically. Consequently, the Asian churches chose to emphasize the Crucifixion by celebrating Pasch on the fourteenth day of the moon, while other churches emphasized the Resurrection by celebrating it on Sunday. At Nicaea Constantine sought to resolve this conflict, and contemporaneous accounts agree that the Council decreed that Pasch be celebrated only on Sunday, and forbade celebration on the fourteenth day. This chapter concludes that the origin of the Alexandrian Paschal table lies rather with bishop Theophilus in the last decades of the fourth century.

The main acts of Nicaea were gradually reversed over the years 327-60. Constantine honored its name and canons throughout his life, but recalled Arius from exile, leaned on church leaders to restore him to communion, and sidelined Arius’s opponents. Constantius II flouted Nicaea’s canons and officially replaced its creed. Nonetheless, Nicaea’s pronouncements on the Son’s relationship to the ousia of the Father, including the term homoousios, which had been a response to Eusebius of Nicomedia’s Letter to Paulinus of Tyre, continued to be debated throughout this period in a succession of mutually allusive theological works. These include Eusebius of Caesarea’s Letter to his Church, Eustathius of Antioch’s Against the Arian Madness, Asterius the Sophist’s Defence of Eusebius of Nicomedia, Marcellus of Ancyra’s Against Asterius, Eusebius’s Against Marcellus and On Ecclesiastical Theology, Acacius of Caesarea’s Against Marcellus, Marcellus’ Letter to Julius of Rome, Athanasius’s Orations Against the Arians, the Profession of Faith of Sirmium 351, and Athanasius’s On the Decrees of Nicaea. The last of these, together with his formidable political skills, established the Nicene Creed against all the odds as the only formula which was able to command widespread support among bishops across the empire after the death of Constantius.