The correct punctuation to use in this sentence is the semicolon. The semicolon is used when we want to separate major sentence elements. It can also be used (as in this example) to join two closely related independent clauses without the use of a conjunction. Finally, a semicolon can be used to separate items in a list, particularly when the elements contain commas.
the word barter now indicates that some sacrifice must be given in exchange for the “breath of ecstasy.” Theme: Subjects: loveliness, life, joys, giving. The theme of the poem is the loveliness of life is worth the cost of giving.