Keats mourned that the rainbow, which as a boy had been for him a magic thing, had lost its glory because the physicists had found it resulted merely from the refraction of the sunlight by the raindrops. Yet knowledge of its causation could not spoil the rainbow for me. I am sure that it is not given to man to be omniscient. There will always be something left to know, something to excite the imagination of the poet and those attuned to the great world in which they live (p. 64)
Sentences are not different enough to hold the attention unless they are dramatic. No ingenuity of varying structure will do. All that can save them is the speaking tone of voice somehow entangled in the words and fastened to the page for the ear of the imagination. That is all that can save poetry from sing-song, all that can save prose from itself.
That day she put our heads together, Fate had her imagination about her, Your head so much concerned with outer, Mine with inner, weather.