"The Fool" is a classic novel by the Russian writer Fyodor Dostoyevsky. This book reflects the complex psychological mechanisms of human nature, reflected through the figure of the main character - Ivan Fyodorovych. Ivan is a research scientist who decided to conduct an experiment on himself to prove the innocence of the soul. However, every step he takes in this direction leads to the absurdity and destruction of his own life. The novel "Fool" is not only a philosophical attempt to reveal the deep problems of human existence, but is also known for its mastery in plot construction and character development. Taking on Ivan's problems, the reader himself is exposed to the spiritual influence of the novel, reflecting on his own principles and values. The book "The Fool" leaves readers with many questions and perhaps prompts deep self-reflection and finding one's own way in this complex world.