Book of Genesis assurance of all Christians) and the redemptive act of Christ on the Cross as the fulfillment of covenant promises as the Son of God. Tradition credits Moses as the author of Genesis, as well as Exodus, Book of Leviticus, Numbers and most of Book of Deuteronomy, but modern scholars increasingly see them as a product of the 6th and 5th centuries BC. Genesis appears to be structured around the recurring phrase "elleh toledot", meaning "these are the generations," with the first use of the phrase referring to the "generations of heaven and earth" and the remainder marking individuals—Noah, the "sons
Book of Leviticus have concluded that the Pentateuch received its final form during the Persian period (538–332 BC). Nevertheless, Leviticus had a long period of growth before reaching that form. The entire book of Leviticus is composed of Priestly literature. Most scholars see chapters 1–16 (the Priestly code) and chapters 17–26 (the Holiness code) as the work of two related schools, but while the Holiness material employs the same technical terms as the Priestly code, it broadens their meaning from pure ritual to the theological and moral, turning the ritual of the Priestly code into a model for the relationship of Israel to