Who penned the famous quotation, "It is a truth universally acknowledged..."?

The quotation "It is a truth universally acknowledged..." is the opening line of Jane Austen's novel "Pride and Prejudice," published in 1813. This line sets the tone for the novel's exploration of themes related to marriage, social class, and the roles of women in early 19th-century England. Austen is renowned for her keen observations and satirical commentary on the social norms of her time, particularly concerning romantic relationships.

In the context of the provided options, the Brontë sisters, Emily and Charlotte, are known for their impactful works such as "Wuthering Heights" and "Jane Eyre," respectively; however, they did not write the quoted line. Similarly, Mary Shelley is celebrated for her novel "Frankenstein," which tackles themes of creation and responsibility. None of these authors are associated with the specific style or thematic content introduced by the well-known line from Austen. Thus, Jane Austen is the correct attribution for this quotation, highlighting her significant contribution to English literature through her wit and insight into human relationships.