On First Principles

De Principiis represents Rufinus of Aquileia's Latin translation and adaptation of Origen's foundational theological work On First Principles, completed between 397 and 398. Rufinus undertook this project amid intense controversy over Origen's teachings, particularly allegations of heretical views about the Trinity, the pre-existence of souls, and universal salvation. Rather than producing a literal translation, Rufinus deliberately modified passages he believed had been corrupted by heretics or that seemed to contradict orthodox doctrine, creating what he called a faithful rendering of Origen's true intentions.

The work systematically explores fundamental Christian doctrines through four books: the nature of God and the Trinity, the material world and rational beings, free will and salvation, and the interpretation of Scripture. Rufinus preserves Origen's innovative theological method while tempering his more speculative conclusions. Where Origen had proposed the pre-existence of souls and their fall into material bodies, Rufinus softens these ideas. Where Origen had suggested eventual universal restoration, Rufinus introduces more traditional language about eternal punishment. The translation maintains Origen's emphasis on spiritual interpretation of Scripture and his vision of theological inquiry as a progressive journey toward divine truth, but within boundaries more acceptable to late fourth-century orthodoxy.

De Principiis became the primary means by which Origen's systematic theology reached the medieval West, shaping centuries of Christian thought about the relationship between philosophy and faith, the nature of biblical interpretation, and the scope of theological speculation. Jerome's fierce criticism of Rufinus's translation methods sparked debates about translation theory that continue today. Who should read this: Students of patristic theology seeking to understand how Origen's influence was transmitted and transformed in the Latin tradition, and anyone interested in early Christian debates about the boundaries of orthodox speculation. This is not suitable for readers looking for Origen's original arguments in their most provocative form.