Voltaire's Candide is a novel which contains conceptual ideas and at the same time is also exaggerated. Voltaire offers sad themes disguised by jokes and witticism, and the story itself presents a distinctive outlook on life. The crucial contrast in the story deals with irrational ideas as taught to Candide about being optimistic, versus reality as viewed by the rest of the world. The main theme which is presented throughout the novel is optimism. Out of every unfortunate situation in the story, Candide, the main character, has been advised by his philosopher-teacher that everything in the world happens for the better,