Primary source · Koine Greek (Books I–II survive whole only in Latin)
Against Heresies (Adversus Haereses)
Irenaeus of Lyon · c. AD 180
What this text is
The five books of Irenaeus against the Gnostic systems — and the church’s first great synthesis of scripture, apostolic succession, and rule of faith. Its Roman bishop-list and its Polycarp–John anecdotes anchor much of this archive.
Interlinear passages
Word-for-word glosses of the original; the complete public-domain translation is linked below.
Public-domain translations
Roberts–Rambaut (ANF, 1885)
“Let us fly, lest even the bath-house fall down, because Cerinthus, the enemy of the truth, is within.” …For the glory of God is a living man; and the life of man consists in beholding God.
Manuscript witnesses
P.Oxy. III 405
c. AD 200A scrap of Against Heresies copied within twenty years of composition — 'the ink scarcely dry,' as its editors said.
Latin version (Claromontanus & Arundel families)
9th–15th c. copies of an ancient translationThe full five books survive only in the old Latin; the Greek in quotations and papyri.
Armenian version of Books IV–V
medieval copiesDiscovered 1904, completing the eastern transmission.
Provenance
Lyon, c. AD 180; Greek largely lost, Latin version complete
Editions & scholarship
Critical editions and standard translations behind the text above.
- Irénée de Lyon: Contre les hérésies (SC 100–294)A. Rousseau, L. Doutreleau et al., 1965–1982The complete critical edition.
- St. Irenaeus of Lyons: Against the Heresies (ACW 55, 64, 65)Dominic J. Unger et al., 1992–2012Annotated faithful translation.
Figures named in this text (39)
- Stephen the Protomartyr
- Mary, the Mother of Jesus
- Simon of Cyrene
- The Ethiopian Eunuch
- Helen of Tyre
- Simon Magus
- John Mark
- Matthew the Apostle
- Linus of Rome
- Luke the Evangelist
- Anacletus (Cletus) of Rome
- Clement of Rome
- Cerinthus
- John the Apostle
- Menander of Samaria
- Evaristus of Rome
- Ignatius of Antioch
- Alexander of Rome
- Xystus I (Sixtus I) of Rome
- Papias of Hierapolis
- Saturninus of Antioch
- Carpocrates of Alexandria
- Hyginus of Rome
- Basilides of Alexandria
- Cerdo the Syrian
- Pius I of Rome
- Polycarp of Smyrna
- Marcellina the Carpocratian
- Marcion of Sinope
- Justin Martyr
- Anicetus of Rome
- Ptolemy the Valentinian
- Soter of Rome
- Valentinus
- Heracleon
- Marcus the Magician
- Tatian the Assyrian
- Eleutherus of Rome
- Irenaeus of Lyon

