Theme of Ode on a Grecian Urn

"Odeon a Grecian Urn" by John Keats has many themes. The theme of the first stanza is Greecian "In Tempe or the dales of Arcady" (7). The second stanza's theme is love, "Bold lover, never, never canst thou kiss," (17). The third stanza's theme is happiness, "And, happy melodist, unwearied" (23). The fourth stanza's theme is death, "To what green altar, O myterious preist" (32). The fifth and final stanza's theme is earth, "'Beauty is truth and truth is beauty," - that is all / Ye know on earth, and all ye need to know'" (49, 50).