to the divine realm of light, self-contained and remote, the cosmos is opposed as the realm of darkness. The world is the work of lowly powers which though they may mediately be descended from Him do not know the true God
Jonas identifies the cardinal Gnostic tenet as a radical dualism in which the Divine Realm of light stands in absolute antithesis to the dark, demiurgic cosmos — the definitive formulation against which all other positions in the corpus must be measured.
, The Gnostic Religion: The Message of the Alien God and the Beginnings of Christianity, 1958thesis