FILE A42-HS-023 // HISTORY & SOCIETIES
The Secret Gospel of Mark and the Mar Saba Letter
ASSESSMENT: Authenticity remains contested; claims of a proven ancient secret gospel overstate evidence.
Morton Smith announced a letter attributed to Clement of Alexandria containing quotations from a “Secret Gospel of Mark.” The manuscript was photographed in 1958 and later disappeared from the monastery book. Scholars debate whether it is ancient or a modern forgery; neither camp can claim a surviving, independently testable original.
Claim and historical context
Smith found the Greek text written on endpapers of a printed Isaac Vossius volume at Mar Saba monastery. His photographs became the key evidence; the book itself was later lost or inaccessible. That chain complicates fresh handwriting and material analysis.
Chronology and primary record
Smith published transcriptions and argued that Clement described a longer Mark used in restricted teaching. The letter’s language and content have prompted extensive debate. No independent ancient copy of Secret Mark has been discovered, and the text’s provenance depends heavily on Smith’s account.
What the record establishes
Some scholars see stylistic features consistent with ancient Christian correspondence; others identify possible modern features and motive. Claims that Smith forged it are not proven merely by his scholarly interest or sexuality, and accusations should distinguish speculation from demonstrated evidence.
Competing interpretations and counterevidence
The lost manuscript prevents conclusive forensic testing. Photographs can support textual analysis but cannot substitute for the artifact’s paper, ink, and full codicological context. Assertions of a Vatican suppression are unsupported: the text was publicly debated after Smith’s publication.
Calibrated verdict
The calibrated verdict is unresolved authenticity with substantial provenance limitations. The letter is valuable for studying twentieth-century scholarship regardless of whether Clement wrote it. Strong statements that it proves a secret life of Jesus exceed the evidence.
Evidence that could change this assessment
Discovery of the Vossius volume with the relevant pages intact, independently documented custody, and reproducible material analysis could change the judgment. A second ancient witness would be especially consequential; another argument from style alone would not settle it.
Source notes and limitations
These selected records and named research sources address The Secret Gospel of Mark and the Mar Saba Letter; each citation supports only the specific historical point identified in its note.
- Morton Smith, “Clement of Alexandria and a Secret Gospel of Mark,” Harvard Theological ReviewOriginal publication of the disputed letter and fragment.
- Biblical Archaeology Society, “The Secret Gospel of Mark”Summarizes discovery, publication, and scholarly disagreement.
- Oxford University Press, Stephen Carlson, “The Gospel Hoax”Argues for forgery; a named scholarly interpretation, not consensus proof.