"Mr. Du Miroir" is a fantastic novel by the outstanding American writer Nathaniel Hawthorne, built on the concept of reflection and the inner world of the main character. In this work, the author successfully uses the symbolism of the mirror to show the inner world of the character and his interaction with reality. The main character finds himself in a world where reality and virtuality are intertwined, causing him surprise and doubts. A world opens up to the reader, where every step can be decisive for the fate of the hero. "Mr. du Mirror" is a reflection on the nature of oneself and the awareness of the inner self, thanks to which the reader can open new horizons of his consciousness.