"The Picture of Dorian Gray" is a philosophical novel written by the great Irish writer Oscar Wilde. The main character of the book, Dorian Gray, young and attractive, it would seem that he has everything for a happy life. However, his fate changes with the decision to preserve his youth and beauty forever in a portrait. In this novel, the author explores the influence of morality, beauty and self-love on a person, revealing the dark side of human nature. Wilde raises questions about the value of art, the value of beauty compared to morality and shows how self-love can lead to destruction. "The Picture of Dorian Gray" is not only an interesting novel with a complex plot, but also a deep conversation about the nature of human existence, art and morality. This book leaves the reader in awe of the wisdom and depth of the moral issues it raises."