Eugene Peterson writes that, "It takes the whole Bible to read any part of the Bible." What a profound statement that has been sorely forgotten throughout the history of the church. We are taught to read law as law, poetry as poetry, history as history, parable as parable, narrative as narrative. But reading the genre appropriately as a literary genre must fall under the entirety of the Bible - the unfolding and redemptive story of God.
It is easy to read Leviticus and say that it is a book primarily of law; but we must remember that law was given to keep chosen-Israel as a beacon to the nations to the One God Yahweh. Poetry is not just beautiful and artistic ways of telling a story, but it is an expression of emotion making "sense" of the trials and joys of life. Reading the historical-narrative of the the passion of Christ before the cross is not just something to be believed in as a truth, but is read in relationship of a people yearning for a messiah to come and restore Jerusalem, to be rescued from exile, to finally do what Yahweh had promised to do.
The same is true for us today. Our lives are part of this grand story. We are not rewriting Scripture or adding to it, but we live under it and in it. We can interpret the world and our lives because we have been formed as people of the story; as a people who proclaim,
"Hear, O Israel, the Lord our God, the Lord is one.
Love the Lord your God with all your heart, with all your soul,
with all your mind, and with all your strength. (Deuteronomy 6:4-5)
Love your neighbor as yourself. (Leviticus 19:18)