"Le Neveu de Rameau" (in English, "Rameau's Nephew") is a fictional dialogue written by the French philosopher and writer Denis Diderot. This work was composed around 1761 but was not published during Diderot's lifetime. It is now considered a significant philosophical and literary text. The dialogue takes place between two characters : the narrator and Rameau's nephew, a fictionalized version of the real historical figure, Jean-François Rameau. Rameau's nephew is portrayed as a free spirit who rejects conventional morality and social norms. He engages in sharp and often humorous philosophical discussions with the narrator, challenging prevailing ideas of virtue, society, and human nature. "Le Neveu de Rameau" is notable for its satirical and thought-provoking content, exploring themes of moral relativism, hypocrisy, and the complexities of human behavior. It is considered a precursor to existentialist and nihilist thought and is valued for its philosophical depth.