Many people work their way through the book of Leviticus like a new sailor staggering across the deck of his ship hoping his sea legs will kick in. Navigating through the complex laws of sacrificial procedures and ritual purifications can be a challenging endeavor. It is a venture into uncharted and difficult waters. But if we desire to truly understand the rest of the Scriptures, taking time to map out these difficult concepts is essential. For instance, take this example from the book of Haggai: