The philosophical ideal of self-knowledge has been all but forgotten in what Walker Percy calls "the age of theory." Hartle attempts to recover that ancient philosophical task and to articulate what that ideal could mean in the context of our historical situation. She considers and rejects claims that we can attain self-knowledge through theory, anti-theory, or narrative and she defends philosophy as a humanistic, rather than scientific, endeavor. Self-Knowledge in the Age of Theory will be of great interest not only to philosophers but to scholars of literature and other humanities.