This document discusses literary themes commonly found in literature. It defines a theme as the underlying meaning or universal truth that a story is trying to convey about human nature or society. Common themes discussed include the quest for immortality, the relationship between individuals and society/nature/institutions, concepts of justice and heroism, experiences of alienation and love. The document suggests that identifying themes in stories can help readers understand the author's perspective on life and that themes may illuminate aspects of the human experience.