http://literarydevices.net/metaphor/

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"Shall I Compare Thee to a summer’s Day”,

""Sonnet 18,”also known as “Shall I Compare Thee to a Summer’s Day,” is an extended metaphor between the love of the speaker and the fairness of the summer season. He writes that “thy eternal summer,” here taken to mean the love of the subject, “shall not fade.” "

 “She is all states, and all princes, I.”

"John Donne , a metaphysical poet,  was well-known for his  abundant use of metaphors throughout his poetical works. In his well-known work “The Sun Rising,” the speaker scolds the sun for waking him and his beloved. Among the most evocative metaphors in literature, he explains “she is all states, and all princes, I.” This line demonstrates the speaker’s belief that he and his beloved are richer than all states, kingdoms, and rulers in the entire world because of the love that they share."