In his satirical masterpiece, Candide, Voltaire explores the idea that "All is best in the best of all possible worlds." This is a philosophy made popular by thinker Gottfried Leibniz whose ideas were read widely in the 18th century. Leibniz began a movement comprised of those he called "Optimists" who condoned the above idea that all things that happen are for the best-no matter what the circumstances. Which character in Candide believes this idea? How does this character promote this philosophy? Be sure to offer textual evidence to support your answer.