In the "Book of Urizen", Urizen is an eternal self focused being that creates itself out of eternity, and, it is only Urizen, the representation of abstractions and is an abstraction of the human self that exists in the beginning. Eventually, he creates the rest of creation but is tormented from the rest of the Eternal essence. Urizen is seen as the essence of the eternal priest and is opposed by Los, the eternal prophet. Parts of the story were later revised in "The Book of Los" and "The Book of Ahania": The "Book of Ahania" describes Urizen's relationship with his son Fuzon, and the "Book of Los" (1795) describes Urizen's creations from Los's viewpoint. The "Song of Los" (1795) describes how Urizen's laws are given to humanity and their destructive effects. The work ends with Orc's appearance and Urizen weeping.