The similitudes are undoubtedly of different authorship from the rest of the book, and certain portions of the book are derived from the Book of Noah.
The Similitudes he worked up from a series of later sources, and gave them the second place in the final work authenticating them with the name of Noah.
The writer now sees that it belongs to the text of the Similitudes though it is dislocated from its original context.
The book of laws (Vendidad) is characterized by an arid didactic tone; only here and there the legislator clothes his dicta in the guise of graceful dialogues and tales, or of poetic descriptions and similitudes; and then the book of laws is transformed into a didactic poem.
His homilies, which are still preserved, furnish ample apology for the partiality of the people, exhibiting the free command of a pure and copious vocabulary, an inexhaustible fund of metaphors and similitudes, giving variety and grace to the most familiar topics, with an almost dramatic exposure of the folly and turpitude of vice, and a deep moral earnestness.