en.wikipedia.org/wiki/Gnosticism

Gnosticism is a modern name for a variety of ancient religious ideas and systems, originating in Jewish-Christian milieus in the first and second century AD.

gnosis.org/gnintro.htm

Summary of the Gnostic worldview and Gnostic understanding of Cosmos, Diety, Salvation and Human destiny. Essay authored by Dr. Stephan Hoeller.

www.iep.utm.edu/gnostic

Gnosticism (after gnôsis, the Greek word for "knowledge" or "insight") is the name given to a loosely organized religious and philosophical movement that ...

www.newadvent.org/cathen/06592a.htm

History of Gnosticism from its pre-Christian roots through its developed doctrines concerning cosmogony, the Sophia-myth, soteriology, and eschatology.

www.gotquestions.org/Christian-gnosticism.html

Answer: There is actually no such thing as Christian Gnosticism, because true Christianity and Gnosticism are mutually exclusive systems of belief.

www.britannica.com/topic/gnosticism

Gnosticism, any of various related philosophical and religious movements prominent in the Greco-Roman world in the early Christian era, particularly the 2nd ...

www.theopedia.com/gnosticism

Gnosticism. Gnosticism is a heresy which is made up of a diverse set of beliefs. It is the teaching based on the idea of gnosis (a Koine Greek word meaning ...

www.eaec.org/cults/gnostic.htm

Gnosticism consisted of many syncretistic belief systems which combined elements taken from Asian, Babylonian, Egyptian, Greek and Syrian pagan religions, ...