"Candide, or Optimism" is a philosophical and satirical novel by the outstanding French educator Voltaire, which has become a classic of world literature. The main character, young and naive Candide, goes on a journey around the world, experiencing many adventures and disasters. The author once again presents sharp critical conclusions regarding the social, religious and philosophical problems of his time. The book reflects on the eternal questions of justice, evil, human nature and the concept of optimism. "Candide, or Optimism" is one of the brightest examples of world literature, which remains relevant and provocative even to our time.