Heracleon's Commentary on John — Gnostic Exegesis
Heracleon's commentary on the Gospel of John (c. 170 CE) is the earliest known biblical commentary in Christian history — demonstrating that Gnostic exegesis was a sophisticated intellectual tradition.
Heracleon (disciple of Valentinus, c. 170 CE) wrote what is generally recognized as the earliest known Christian biblical commentary — a commentary on the Gospel of John, portions of which are preserved in Origen's own commentary on John. Heracleon's interpretations are consistent with Valentinian principles: John the Baptist represents the Demiurge's prophetic tradition (psychic, not pneumatic); the Samaritan woman at the well (John 4) is a pneumatic soul who receives the living water of Gnosis; the royal official (John 4:46-54) is a psychic who believes only on the basis of signs, not direct recognition. Heracleon's exegesis is sophisticated and often illuminating — his reading of the Samaritan woman as a model of genuine spiritual encounter is theologically rich by any standard. Origen's decision to include and refute Heracleon's commentary is itself testimony to its intellectual quality: it required serious engagement, not mere dismissal.
The Samaritan woman is the pneumatic type — she recognizes the living water before the disciples do, because her nature is more receptive to the truth.
New Testament scholar Elaine Pagels (The Johannine Gospel in Gnostic Exegesis) demonstrates that Heracleon's reading of John is not a simple distortion of the text but a sophisticated engagement with its actual theological themes — often illuminating dimensions of the text that orthodox commentators overlooked.
Fragments of Heracleon