"Exclusive emphasis on either the physical or the spiritual Whitman misses his determined intermingling of the two realms. His earliest notebook poem contained the lines, "I am the poet of the body / And I am the poet of the soul," establishing at once the interpenetration and cross-fertilization between matter and spirit that is felt in virtually all his major poems. The earthly and the divine, the sensuous and the mystical, are never far from each other in his verse. His images flow rapidly from the minutiae of plant or animal life through parts of the human body to sweeping vistas of different times and places,"