a pre-cosmic fall of part of the divine principle underlies the genesis of the world and of human existence in the majority of gnostic systems. 'The Light fell into the darkness'
Jonas identifies the pre-cosmic fall of divine light into darkness as the fundamental cosmogonic symbol of Gnosticism, grounding the origin of world and human existence in a catastrophic descent.
, The Gnostic Religion: The Message of the Alien God and the Beginnings of Christianity, 1958thesis