Sigmund Freud’s book “I and It” is not just a philosophical treatise, but a real find for anyone interested in the depths of human psychology and internal conflicts. Written in 1923, this work has become fundamental in understanding the structure of personality and the mechanisms of mental functioning. Freud, as the founder of psychoanalysis, offers the reader a unique view of the interaction between consciousness and the unconscious, which makes this book relevant to this day. In "I and It," Freud introduces three key components of the human psyche: "I" (or Ego), "It" (Id) and "Super-I" (Superego) These elements represent different aspects of our personality that constantly interact with each other, creating internal conflicts and contradictions. “It” symbolizes our instincts and desires, “I” is how we perceive ourselves and the world around us, and “Super-I” is an inner moral compass that is formed under the influence of society and upbringing. Freud masterfully describes how these three components affect our behavior, thoughts and emotions, creating a complex picture of human nature. This book will be especially interesting for those who are fond of psychology, philosophy and sociology. Students, researchers and just lovers of deep reflection will find in it a lot of ideas for reflection and discussion. People seeking to understand themselves and their inner conflicts will also be able to learn a lot from this work. Freud not only immerses the reader in the world of psychoanalysis, but also makes us think about how our inner selves affect our behavior in society. The themes raised in "I and It" relate not only to psychology, but also to philosophy, ethics, and even art. Freud explores how our instincts and desires can conflict with social norms and moral attitudes, which generates guilt and internal contradictions. This book opens the door to understanding how our desires are formed, how we cope with them, and how they affect our behavior. Freud raises important questions about free will, responsibility and the nature of human nature, which makes his work not only scientific, but also philosophical. Freud's style is distinguished by depth and precision. He skillfully uses examples from clinical practice to illustrate his theories, making them available to a wide audience. His language, though full of terms, remains clear and understandable, allowing the reader to easily follow his thoughts. Freud is also known for his other significant works, such as "The Interpretation of Dreams" and "The Psychopathology of Everyday Life", which are also noteworthy and can complement the understanding of his theories. The book “I and It” is not just an academic study, but a deep and fascinating journey into the world of the human psyche. It makes us think about who we really are and what forces are driving us. If you are looking for a work that will help you better understand yourself and others, this book will be an excellent choice. Immerse yourself in Freud's world and discover the secrets that lurk in your own self.