"Theodicy" is a philosophical treatise by the Ukrainian writer Semyon Lypkin, which opens the reader to deep reflections on the problem of existence and evil in the world. The author analyzes the universal concepts of good and evil, trying to solve the eternal question about the causes of human suffering and the absence of an ideal world. In his work, Lipkin defends his philosophy of life, inviting the reader to a frank conversation about religion, morality, justice and the meaning of life. "Theodicy" is not only a book, but a source of thoughts that makes us think about the deeper aspects of our existence.