The debt of Manichaeism and various Gnostic sects is more certain and more considerable, but these communities have not endured and were regarded as heretical while they lasted.
"Hinduism and Buddhism, Vol I. (of 3) An Historical Sketch"
Charles Eliot
This, which will be the root idea of the whole poetry of this generation, was the dignity of nature in all her manifestations, and not merely in those which may happen to suit the fastidiousness or Manichaeism of any particular age.
"Literary and General Lectures and Essays"
Charles Kingsley