Fernando Fernán Gómez was a celebrated Spanish actor, director and writer whose career made him a familiar voice in Spanish cinema, so a clip built around mi libro, meaning my book, carries a literary joke. The exact film or broadcast source for this excerpt is not identified in the listing, so it is best understood as a soundboard meme rather than a documented scene. Online, Spanish-speaking creators reuse quotable lines like this for bookish humour, and this one survives because its plain wording is easy to repurpose for any proud, boastful or tongue-in-cheek claim about an author's own work.