"White and Black" is a philosophical novel by Voltaire that reveals the opposites of human characters and moral values. The main characters are two brothers, one of whom is the embodiment of nobility and purity, and the other is the embodiment of vice and evil. The author successfully uses the symbolism of the colors white and black to show the struggle between light and darkness in the human heart. This book invites the reader to think about the eternal problems of the world, morality, justice and self-knowledge. The novel "White and Black" remains a relevant and provocative work that inspires the search for truth and goodness.