"Addendum to the Journey of Bougainville" is a philosophical and literary work by the famous French educator Denis Diderot. In this book, the author reveals complex questions of morality, civilization and nature through the prism of the clash of European and Polynesian cultures. The literary and philosophical dialogue between two characters - an old philosopher and a sailor who returned from the Bougainville voyage, allows the reader to better understand the essence of human existence and social values. "Addendum to the Journey of Bougainville" remains a relevant work that provokes readers to think about the meaning of the cultural diversity and uniqueness of each people.