Following both the Odyssey and the Aeneid, the epic falls into two halves, one wandering and one stationary. Here, we are halfway, and the poem returns to earth. Another invocation to the Muse, and a reference to Milton’s personal circumstances, dark in every way. The Son as the traditional active agent of the Creation, Michelangelo notwithstanding. God’s insistence that at the end of time, earth will be changed to heaven and vice versa, “one Kingdom.”