"Philosophy in the Bedroom" is a work by the French philosopher and writer Marquis de Sade, published in 1795. The text is a dialogue that explores themes of sexuality, morality, and freedom, often challenging societal norms. It presents a controversial view of human desires and relationships, emphasizing the importance of personal liberty. The work is notable for its explicit content and philosophical arguments, which advocate for the acceptance of all forms of sexual expression. Through its characters, Sade examines the interplay between pleasure, power, and the constraints imposed by society, making it a significant text in the study of libertinism and existentialism.