Apocryphon

"Apocryphon" ("secret writing"), plural apocrypha, was a Greek term for a genre of Jewish and Early Christian writings that were meant to impart "secret teachings" or gnosis (knowledge) that could not be publicly taught. Such private instruction to the apostles figures in the canonical Gospels of the New Testament and furnishes the material of the "sayings" Gospel of Thomas and part of the material of the Gospel of Mary. It is purportedly a secret teaching supposedly committed to a trusted disciple by Christ after his resurrection. The secret teaching in Gnostic literature refers to several things.