What is ironic about this excerpt from "poetry" by marianne moore

The consequence of jim smiley’s human foible adds to the story’s humor. what foible does smiley demonstrate?

"if we never experience the chill of a dark winter, it is very unlikely that we will ever cherish the warmth of a bright summer’s day. nothing stimulates our appetite for the simple joys of life more than the starvation caused by sadness or desperation. in order to complete our amazing life journey successfully, it is vital that we turn each and every dark tear into a pearl of wisdom, and find the blessing in every curse." anthon st. maarten, divine living: the essential guide to your true destiny. what does this quote mean to you? this isn't for anything in particular, i just wanted to know. : )

How does these final lines from kubla khan by samuel taylor coleridge affect the overall tone of the poem?