St. John Henry Cardinal Newman, "Arians in the Fourth Century"
Part12: Four authentic documents from the period of the Arian controversy
These four primary sources are: the Arian Letter to Bishop Alexander, a fragment of the theological poem Thalia, a Letter from Eusebius of Nicomedia, and fragments of a letter from Bishop Alexander of Alexandria, in which the bishop justifies the excommunication of Arius and his supporters. Each of these texts reveals a different dimension of the controversy: from the doctrine's self-definition and popularization, to its defense and ultimate condemnation.
1. "Letter of the Arians to Alexander"
The first document, the Letter of the Arians to Alexander, is an attempt to present their own views in a gentle and seemingly orthodox manner. The authors, led by Arius, address their bishop in a tone of respect, assuring them that they profess the "faith of the fathers" and introduce nothing new. However, the very first sentences reveal the essence of the controversy: the Father is the only unbegotten and without beginning, and the Son, though begotten before all eternity, is nevertheless the work of His will, not His nature. The Son, according to Arius, was "begotten" in the sense of being established by God; thus, he is a perfect creature, but not consubstantial with the Father. The Trinity, in this view, consists of three distinct beings of unequal glory, among whom only the Father is truly God in the full sense. Arius and his followers sought to distance themselves from other heresies: Gnostic emanations, Sabellianism, which identified the Father with the Son, and Manichaeism, which understood origins as substantial participation. In this way, they attempted to present themselves as defenders of God's transcendence and the purity of monotheism. The letter, however, has a profoundly polemical dimension to the traditional understanding of Christ's divine sonship. Arius rejects a literal understanding of biblical words such as "begotten of the Father" or "from the womb," arguing that they cannot be understood in a substantial sense, as this would lead to the materialization of God. He therefore rejects the consubstantiality of the Son with the Father, understanding it as a bodily absurdity. What in the Christian tradition was an expression of God's inner life, in the Arians' understanding, becomes merely a metaphor for will and action. Consequently, their Christology has serious implications for soteriology: since the Son is not true God, his work of salvation does not consist in participation in divine life but is merely the moral mediation of a creature exalted by God.
2. Thalia of Arius
This is even more evident in the second document—a fragment of the poem Thalia. This verse work, intended for singing, allowed Arius's doctrine to be disseminated among the people. Its joyful, almost convivial form contains radical theses: God is one, without beginning and unbegotten; the Son was begotten by His will, as the "beginning of creation," and does not share in the Father's nature. Moreover, the Son is incapable of fully knowing the Father, or even himself. The Trinity, as Arius says, is not "of equal glory," and the Divine Persons are "impenetrable" and completely distinct.
This is not only a degradation of the Son, but a disintegration of the very idea of divine unity. The Thalia also demonstrates that Arianism was not only an intellectual but also a populist movement: heretical theology became a song, and thus a tool for spreading ideas among the faithful. The Thalia revealed the "heart" of Arianism in an easily memorable form. It's not just metaphysics, but also "mass catechesis." Heresy becomes song.
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