Thursday, January 29, 2026

J. Warren Smith on Justin Martyr's Theology of Baptismal Regeneration

  

Justin Martyr: Baptismal Rebirth as Illumination By the mid-second century, Justin interpreted baptismal rebirth (anagennēsis) in terms of illumination (phōtismos). He explicitly grounds the imperative for baptism in Jesus’s words, “Except you are born again, you will not enter into the kingdom of heaven” (John 3:3), and Isaiah’s words, “Wash, become clean. . . . Though your sins be as crimson, I will make them white as snow” (Isa 1:16, 18).

 

Appealing to the apostolic practice and teachings of Paul, whom he simply calls “the apostle,” Justin provides the logic behind baptism. Human beings’ first birth is from “wet seed” of their parents’ intercourse from which they are both in ignorance and therefore live as children of necessity reinforced by bad habits and an evil education—perhaps a reference to participation in the pagan rituals that paid honor to demons in the guise of the gods who deceived devotees. The second birth is from the water of baptism, now cleansed of sins by their repentance of sin and illumination in the name of “God the Father and Master of all . . . and of Jesus Christ, who was crucified under Pontius Pilate, and in the name of the Holy Spirit, who through the prophets foretold all things about Jesus” (1 Apol. 61). This last clause, with its reference to the Spirit’s inspiration of the Old Testament prophets’ foretelling Jesus coming, whether intended or not, would have drawn a clear dividing line between Justin’s community and Marcion’s.

 

Justin is quick to distinguish Christian washing from the removal of shoes and the washing before entering pagan temples. The latter initiated by the demons, he explains, was a perverse imitation of baptism and of Moses’s removing his shows before the burning bush and receiving “mighty power from Christ” (1 Apol. 62). Thus, Justin implicitly treats Moses’s putting off his sandals and entry into Christ’s luminous presence in the burning bush as figures of baptismal purification and illumination. (J. Warren Smith, Early Christian Theology: A History [Grand Rapids, Mich.: Eerdmans, 2026], 21)

 

 

Blog Archive