The Question and Answer section for John Donne: Poems is a great resource to ask questions, find answers, and discuss the novel.
Which specific poem are you referring to?
Their love is a beautiful example for the world that will be immortalized, canonized, a pattern for all other love in the world.
The metaphor of the two compasses represents Donne's long distance relationship with his wife. The compasses symbolize the strength of two individuals, who are joined together in life (marriage).