The First Christian Philosopher

The Church honors Justin as the first Christian philosopher and as a martyr, commemorating him on June 1, and reads him as the father of the long tradition by which the gospel met and claimed the wisdom of the Greeks. His Logos theology and apologetic method shaped Irenaeus, Clement of Alexandria, Origen, and the Fathers who followed; his doctrine of the seminal Word made him the patron of the Christian engagement with philosophy. This file treats the saint in the Church’s memory, the lines of his influence, and the long debate over his orthodoxy and his Hellenism.

Tradition: Pan-Orthodox (Church Father)

The Feast and the Veneration

Justin is venerated throughout the Orthodox Church and in the West as a holy martyr. In the Byzantine calendar his memory is kept on June 1 (Old Style; June 14 on the New Calendar), where the synaxarion commemorates “the Holy Martyr Justin the Philosopher and those with him” — Justin together with the companions who died at Rome (Martyr Justin the Philosopher and those with him at Rome, OCA, June 1) [Disputed: the Roman Catholic calendar formerly kept Justin on April 14 but moved his feast to June 1 in the 1969 revision to align with the Eastern date; the Orthodox commemoration has long stood on June 1]. He is titled in the tradition both “the Philosopher” and “the Martyr” — the two names holding together the whole of his witness, the mind that argued the faith and the blood that sealed it. In iconography he is shown as a layman and philosopher, often holding a scroll, sometimes the philosopher’s cloak by which the Dialogue says Trypho first knew him. The Church receives him not as a flawless systematic theologian — his formulas are pre-Nicene and imperfect — but as a true Father and witness, an apologist who gave his life and whose thought opened roads the tradition would travel for centuries.

The Lines of Influence

Justin’s influence on the Fathers who came after him is broad and deep.

Irenaeus of Lyons, a generation later, took up Justin’s Logos theology and his anti-heretical concern; Eusebius reports that Irenaeus cited and used Justin’s lost treatise Against Marcion (Eusebius, Ecclesiastical History IV.18; IV.11; trans. NPNF II/1). The continuity between Justin’s Word made flesh and Irenaeus’ recapitulation is one of the main channels of second-century theology (see St. Irenaeus of Lyons).
Tatian, Justin’s own pupil, carried his apologetic into the Oration to the Greeks and his Gospel-harmonizing instincts into the Diatessaron, though he later diverged into Encratite rigorism (see The School at Rome).
Clement of Alexandria and Origen built directly on Justin’s central insight — that philosophy contained real anticipations of the truth and was a divine “schoolmaster” preparing the Greeks for Christ. Clement’s account of philosophy as a covenant given to the Greeks, and Origen’s confident christianizing of Platonism, are the Alexandrian flowering of the logos spermatikos (Chadwick, Early Christian Thought, chs. 1–3).
Through these, Justin’s conviction that the truth wherever found belongs to Christ passes into the Cappadocians and the whole Orthodox tradition of the baptism of Hellenic learning.

Justin is thus, in a real sense, the father of Christian theology as a reasoned engagement with the surrounding culture — the first to do deliberately what the Church would do ever after.

The Witness to the Faith of the Early Church

Beyond his particular doctrines, Justin holds a place in the Church’s memory as a witness — in the root sense of martys — to what the Church believed and did in the generation after the apostles. Because he wrote to explain Christianity to outsiders, he tells us, more plainly than any insider polemic would, the shape of the faith around the year 150: the worship of the one God, Father, Son, and Spirit; baptism into the threefold Name for the remission of sins and regeneration; the Sunday Eucharist of bread and the mixed cup, believed to be the flesh and blood of the incarnate Christ; the canon of “the memoirs of the apostles” read alongside the prophets; the hope of the resurrection of the body and the judgment to come; the closed table reserved for the baptized faithful; the binding of worship to the care of the poor. For the Orthodox Church, which understands itself as continuous with that apostolic and sub-apostolic faith, Justin’s testimony is precious confirmation: the faith he describes is recognizably the same faith, and the worship he describes is recognizably the same worship, that the Church holds and celebrates still. He is, in this sense, not only the first Christian philosopher but one of the great early witnesses to the continuity and identity of the Church across the centuries (see The Earliest Liturgical Witness and The Pre-Schism Church).

Patron of the Engagement with Philosophy

More than any particular doctrine, Justin’s enduring bequest is a stance: the conviction that faith does not abolish reason but fulfills it, that the gospel is the “true philosophy” toward which the schools were groping, and that the Christian may claim whatever is true in the wisdom of the nations because it comes from the one Logos who became flesh (see Philosophy as the True Faith and The Logos Spermatikos). This stance has made him a perennial point of reference whenever the Church has reflected on its relation to philosophy, science, and culture — invoked by those who would baptize the world’s wisdom and tested by those who fear its dilution of the gospel. The modern Roman magisterium cited him in this role in the encyclical Fides et Ratio (1998) as an early witness to the harmony of faith and reason; Orthodox theologians have likewise looked to him as the prototype of the patristic synthesis of revelation and Hellenic thought.

The Long Debate

Justin’s reception has never been uncritical, and honesty requires reporting the debate. Two charges have followed him.

The first is subordinationism in his Logos-Christology — the “another God” and “second place” language that, measured against the Nicene confession of the Son as homoousios with the Father, falls short (see The Word Made Flesh). The Church’s answer has been to read Justin as a pre-Nicene Father feeling toward truths not yet defined, securing the essentials (the Word’s divinity, distinction, and incarnation) while leaving their precise articulation to the councils — a witness on the road to Nicaea, not against it.

The second is Hellenization — the charge, pressed hardest in the liberal Protestant scholarship associated with Adolf von Harnack, that Justin and the apologists let Greek philosophy reshape the gospel, turning the living God of the Bible into the abstract deity of the philosophers and the Logos into a philosophical mediator. [Disputed: the verdict on Justin’s Hellenism. The Harnackian tradition reads it as a distortion of the primitive gospel; a large body of later scholarship (Chadwick; Barnard; and most Orthodox readers) reads it instead as a legitimate and necessary inculturation — the Word claiming his own seed in Greek thought — and stresses that Justin subordinates all philosophy to the incarnate and crucified Christ for whom he died.] The Orthodox tradition, which has never accepted the premise that the encounter of gospel and Hellenism was a fall, receives Justin’s synthesis as a genuine achievement, to be read within and corrected by the later dogma, not repudiated.

Justin and the Apologists

Justin did not stand alone; he was the greatest of a group of second-century Greek apologists who together began the work of explaining and defending Christianity to the educated pagan world. Around and after him stand Aristides of Athens, whose Apology may be the earliest of the group; Athenagoras of Athens, whose Plea for the Christians answered the same charges of atheism, cannibalism, and incest with notable philosophical polish; Theophilus of Antioch, who in his work To Autolycus first used the word “Trinity” (Trias) of the Godhead; Tatian, Justin’s own pupil; and the anonymous author of the elegant Epistle to Diognetus (sometimes, but doubtfully, ascribed to Justin himself). Justin is the pivot of this movement — the fullest, the most influential, and the one who most deliberately fused the defense of the faith with a positive theology of the Logos. Reading him alongside his fellow apologists shows both how much he shared with his age and how far he saw beyond it: the others defended the faith ably, but it was Justin who gave the Church its first comprehensive account of how the gospel stood related to the whole inheritance of human reason (Barnard, Justin Martyr, ch. 1; Chadwick, Early Christian Thought, ch. 1).

The Saint and the Thinker

In the end the Church honors Justin by holding both names together. He is the philosopher who searched every school for the knowledge of God and found it in the prophets and in Christ, who kept the philosopher’s cloak as a Christian and taught the faith as the true wisdom; and he is the martyr who, brought before a philosopher-prefect, confessed that hope “not as supposition but as certain knowledge” and was beheaded for it. The Logos he had argued in ink he confessed in blood. That union of the reasoned faith and the witnessing death is why the Church keeps his memory, and why the title it gives him — Justin Philosopher and Martyr — is the truest summary of his place in the tradition.

References

Eusebius, Ecclesiastical History IV.11, IV.16, IV.18. Trans. NPNF II/1.
Barnard, L. W. Justin Martyr: His Life and Thought. Cambridge: Cambridge University Press, 1967.
Chadwick, Henry. Early Christian Thought and the Classical Tradition. Oxford: Clarendon Press, 1966.
Martyr Justin the Philosopher and those with him at Rome. Orthodox Church in America (oca.org), Lives of the Saints, June 1.