For what it's worth, Sensei wasn't referencing Marlowe but rather
You must be registered to see the links
by Edgar Allan Poe, in which Timur looks back with regret on the loss of a young love, which he gave up because of his ambitions for something greater. The excerpts shown on screen are from that poem.
Staying on the subject of poetry, there was a preview with Tsuneyo that had an excerpt from Sylvia Plath's "Daddy". I believe it was this shot:
As far as I can tell, Selebus decided to cut it from the update - has he made any comment on that? Possibly he decided using that poem was too loaded of a choice for Mr. Tojo; while it's a poem about moving on after a father's death, it's also in large part an aggressive attack on a tyrannical father whose shadow still hangs over his daughter's life decades after his death. Or maybe he decided it's just too early to introduce it as a theme in Tsuneyo's story.