What is the main message in "to a louse" by robert burns?

"To a Louse" is a poem by Scottish poet Robert Burns. This poem talks about a lady in church who is dressed in a way that is elegant, fancy and beautiful. However, the author notices that she has a louse on her bonnet. The author begins to explain to the louse how elegant the woman is, and how the animal would be more at home with a beggar. However, towards the end of the poem, he realizes that for the louse, any human being is prey.

The main message is that underneath all our fancy or plain clothes, every human is ultimately just another human being, and that there is no difference between any of us to a louse, because we are all equal.

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explanation:

the switch in narration increases the proximity of the narrator to the main character and the reader can perceive information only through the filter of a single character.