Final answer:
The texts are diverse examples of English literature, dealing with themes of mortality, morality, and internal struggle, typically discussed in high school English classes.
Step-by-step explanation:
The excerpts provided are from various literary works that exemplify the use of English language in different contexts including internal conflict, the decay of the body and mind, the struggles with morality, and the contemplation of mortality. These works are often studied in high school English classes, and they are rich in figurative language, character development, and thematic depth. Students engage with such texts to analyze and interpret the symbolism, themes, and literary devices used by the authors to convey their messages and to understand the historical and cultural settings of the works. Some of the provided excerpts may belong to well-known literary works such as Shakespeare's tragedies, which confront profound human experiences and moral dilemmas.