After reading/analyzing Milton's "On Shakespeare" and "When I Consider How My Light Is Spent", consider the theme(s) (a reoccurring image or idea) that present themselves in these short works. Pinpoi

After reading/analyzing Milton's "On Shakespeare" and "When I Consider How My Light Is Spent", consider the theme(s) (a reoccurring image or idea) that present themselves in these short works.  Pinpoint the purpose (why; the reason an author writes what they do) of such theme(s). 

https://www.poetryfoundation.org/poems/46453/on-shakespeare-1630

https://www.poetryfoundation.org/poems/44750/sonnet-19-when-i-consider-how-my-light-is-spent

 This assignment must be 250 words. Be sure to cite the texts to support your ideas.