How does the following poem express the beliefs of the humanist movement?

sonnet 4 from astrophil and stella
by sir philip sidney

The question is asking to state on how does the poems in your problem express the beliefs of humanist movement and base on my further research and further understanding, I would say that the answer would be that it emphasizes the fulfillment of wordly love, because that is one characteristic of the humanist movement 

He was paid 23 dollars for each lawn