"Apollo and Dionysus" is a philosophical treatise written by the outstanding German thinker Friedrich Nietzsche. In this book, the author discusses two opposite principles - Apollonian (image of conscious harmony, beauty, light) and Dionysian (representation of chaos, passion, energy). The philosopher analyzes the coexistence of these two aspects in art, mythology and philosophy, emphasizing that they are interdependent and necessary for the development of culture and human consciousness. "Apollo and Dionysus" is considered one of the most important works of Nietzsche, which influenced the further development of philosophy, literature and art. Reading this book, the reader deepens his understanding of philosophical concepts and considers the role of opposite principles in the world and in himself.