Manichaeism
Manichaeism is a former major religion founded in the 3rd century AD by the Parthian prophet Mani (AD 216–274), in the Sasanian Empire. Manichaeism teaches an elaborate dualistic cosmology describing the struggle between a good, spiritual world of light, and an evil, material world of darkness. Through an ongoing process that takes place in human history, light is gradually removed from the world of matter and returned to the world of light, whence it came.