What is Keat's definition of success?

Keats's fear is not simply his fate, but his failure to achieve love and fame within his short span on earth. A different reading of this poem reveals that, though the root of this anxiety is obviously death, as the speaker gets perspective on the shore of the world, death is also the problematic cure.

Explanation:

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Keats's fear is not simply his fate, but his failure to achieve love and fame within his ... or represent in his or her respective medium-for that is the definition of art.