Quotes:Gnostics
H. P. Blavatsky
Gnostics. The philosophers who formulated and taught the Gnôsis or Knowledge (q.v.). They flourished in the first three centuries of the Christian era: the following were eminent, Valentinus, Basilides, Marcion, Simon Magus, etc. [ w.w. w.].
Source: H. P. Blavatsky, The Theosophical Glossary, art. Gnostics