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The Christ images in the poem, along with the many other religious metaphors, posit rebirth and resurrection as central themes. The Waste Land lies fallow and the Fisher King is impotent; what is needed is a new beginning. Water, for one, can bring about that rebirth, but it can also destroy. What the poet must finally turn to is Heaven, in the climactic exchange with the skies: “Datta. Dayadhvam. Damyata.” Eliot’s vision is essentially of a world that is neither dying nor living; to break the spell, a profound change, perhaps an ineffable one, is required. Hence the prevalence of Grail imagery in the poem; that holy chalice can restore life and wipe the slate clean; likewise, Eliot refers frequently to baptisms and to rivers – both “life-givers,” in either spiritual or physical ways.