Crowley calls the Pistis Sophia ‘an admirable introduction to the study of Gnosticism’, and includes it in the Curriculum of A∴A∴. But how does Gnosticism relate to Thelema? We’ll delve into the first half of this early-Christian text to see if we can find connections, and contextualize magical ideas about Gnosticism before the discovery of the Nag Hammadi library.