Commentarie tristan et iseut
In the first stanza, Keats calls the vase, ‘an unravished bride of quietness’ relating to the fact that it has existed for centuries and has stood against the eroding effects of the passage of time. He also calls it the ‘foster child of Silence and Time’, both of which are personified here. The parents have conferred eternal stillness, on the urn. The urn is also a Sylvan Historian, since it records a pastoral scene from times immemorial. Keats also feels that the urn is a superior work of art since it depicts the beauty of nature with more panache, than his words. The poet also speculates that the scene is set in Tempe or Arcady, both of which are picturesque places in Greece, favoured by Apollo, the God of poetry and music. He, then, wonders about the origin of the maidens and the activity that seems to be taking place.
Read more at Suite101: Ode on a Grecian Urn: Explanation for Students!