What poem is this?

The second in a series

Congratulations to Theophrastvs for correctly guessing yesterday’s poem! (Be sure to read the comments, where Clive Thompson reveals a second, and possibly better version of Ozymandias.)

Today’s poem might be a bit tougher, but you are a well-read bunch so you’ll probably guess it it right away.

Here’s the deal: the above image is an AI interpretation of…