Answer:
They reveal some truth about humanity.
They stay pertinent to any audience.
Explanation:
The theme in a literary work refers to the central subject to which the work is referring. These subjects are striking, profound and impacting to the reader. They address something that is pertinent about humanity and that should be discussed within a more visible context, through a literary narrative. Because it is so credible to human beings, the theme remains relevant to the public throughout the reading.
The indefinite pronoun is somebody.
MLA (Modern Language Association) is a formatting and quoting design developed for the purpose of standardizing academic papers. This format is most often used in literature and language studies, although recently its use has spread to other academic fields as well.
The way to include a printed book on a bibliography or works cited page is as follows:
Last Name, First Name. <em>Book. </em>City: Publisher, Year Published. Page(s). Print.