Answer:
Here are all the oxymorons in this passage (there are a lot, but you can choose 5):
Brawling love
Loving hate
Heavy lightness
Serious vanity
Feather of lead
Bright smoke
Cold fire
Sick health
Still-waking sleep
Step-by-step explanation:
An oxymoron is a seeming contradiction. A well-used example is "jumbo shrimp." Shrimp means small, and jumbo means large. How can this be, you ask yourself? It's a literary technique to emphasize the disparity between two extremes. He is suggesting that love embodies all of these contrasts such as "loving hate."