The Early Church: Chapter 19 - Gnosticism, Basilides, Valentinus, Ophites, Sethites, Cainites, &c

Trigger Warning: This narration contains detailed descriptions of the blasphemous false doctrines of the gnostics which may be distressing to some. Please listen with caution.
The Early Church: A History of Christianity in the First Six Centuries by Professor David Duff.