A post I wrote in October 2006:

Gnosticism: dualistic religious and philosophical movement of the late Hellenistic and early Christian eras. The term designates a wide assortment of sects, numerous by the 2d cent. A.D.; they all promised salvation through an occult knowledge that they claimed was revealed to them alone. . . .

(The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All...