A Word Is Worth a Thousand Pictures? - Shakespeare's Sonnet 18 and Keats' Grecian Urn Shakespeare's sonnet 18 ("Shall I compare thee to a summer's day?") and Keats' "Ode on a Grecian Urn" were written with a common purpose in mind; to immortalize the subjects of their poems by writing them down in verses for people to read for generations to come. By doing so, both of the poets are preserving the beauty of the subjects, which are the young friend of Shakespeare and Keats' "Grecian Urn." Beginning with Sonnet 18, and continuing here and there throughout the first major