Against the Arians: The Importance of the Subject. The Arians affect Scripture language, but their doctrine new, as well as unscriptural. Statement of the Catholic doctrine, that the Son is proper to the Father's substance, and eternal. Restatement of Arianism in contrast, that He is a creature with a beginning: the controversy comes to this issue, whether one whom we are to believe in as God, can be so in name only, and is merely a creature. What pretence then for being indifferent in the controversy? The Arians rely on state patronage, and dare not avow their tenets · Theoria