and yet cause frozen immobility. Forty chapters of an almost infinite variety, the book of Exodus still has but a single end, and is just a series of variations on a single, simple theme. Every word of the forty chapters in some way serves that single, simple theme. All that is superfluous of it, or ancillary to it, has long since been worn away. The book of Exodus is the farthest thing from a literary unity, a fact which every honest reader of its text has noticed since early in the Christian era,