Use "manichean" in a sentence

1. Manichean steered the conversation

2. The more one knows of revelation as a whole, the actual history of the human race, and of the character of God, as made known in the world that now is, and in the Bible, the greater is the difficulty in believing in this Augustinian doctrine of hell as Scriptural, and the deeper conviction that the Deus of Augustine was, after all, only a fusion of the two eternal powers of good and evil of his earlier Manichean heresy