Final answer:
The question is based on quotes from literary works and is categorized under English literature. It deals with themes such as self-awareness, the nature of poetry, and the human condition as revealed through creative writing.
Step-by-step explanation:
The text provided appears to be quotes from literary works, which suggests that the question falls under the subject of English literature. The first quote from Dupin, a character created by Edgar Allan Poe, indicates an instance of self-reflection on writing poetry. In contrast, the second quote reflects on the elements of human comfort and the costs associated with them, possibly originating from a poem that questions the value of life's hardships.
In answering questions related to these quotes, one might discuss themes such as self-awareness, the nature of poetry, and the human condition. These excerpts could be used as examples in the context of a larger discussion on literary analysis, focusing on how prose and poetry can reveal different aspects of life and the creative process.