It seems the second answer you have provided for this question is the best fit for what the question is specifically asking. Have a great day!
I couldn’t search it up and describe your question a little more
A metaphor?? Not sure what this was to be
The line is an example of a direct quotation. That is when a quotation by someone is unchanged and presented in its entirety. Of course, it's a part of a larger speech, but it's unchanged and can be as such analyzed for various things that the linguists would be searching for.
