What do the words “briefer,” “too beautiful to stay,” and “sleep of death” in the last stanza of wylie’s prom suggest about nature’s bounty and a life of plenty and ease?

i have heard the mermaids singing, each to each.

i do not think they will sing to me

the anecdote makes readers feel sorry for the man’s lack of heritage, then reminds readers that the man has an equally valuable heritage.