"Ion" is a tragedy by the ancient Greek playwright Euripides, which tells the story of Ion, the son of Apollo and Creusa. The main character grew up in the temple of the goddess Athena, devoting his life to the service of the gods. However, the sudden discovery of the secret of his origin changes everything. In the book, the author examines the issues of genealogical destiny, faith in the gods, and human destiny. "Ion" is a work about the search for truth, the importance of self-knowledge and inner freedom, which leaves the reader with deep reflections on life and divine authority.