Candide, written by Voltaire, is a satirical novella that follows the adventures of its optimistic protagonist, Candide, as he traverses a world filled with hardship and turmoil. Through a series of misfortunes and unlikely events, Candide encounters war, natural disasters, and human cruelty, all of which challenge his unwavering belief in the philosophy of optimism, espoused by his mentor, Pangloss. Despite the relentless adversity, Candide's journey is a critique of the naive optimism that insists that "all is for the best in the best of all possible worlds." This central theme is underscored by the various absurdities and injustices that Candide witnesses, which serve to highlight the disconnect between philosophical idealism and the harsh realities of life.

As Candide progresses through his adventures, he meets a cast of colorful characters, each with their own stories of woe and resilience. These encounters further illustrate the folly of Pangloss's teachings and emphasize Voltaire's satirical examination of human nature and society. Ultimately, Candide's experiences lead him to a more pragmatic outlook on life, culminating in the famous conclusion that "we must cultivate our garden." This ending suggests a shift from passive optimism to active engagement with the world, advocating for personal responsibility and practical efforts to improve one's circumstances, rather than relying on abstract philosophical doctrines. Through its biting wit and rich narrative, Candide remains a powerful critique of blind optimism and a testament to the resilience of the human spirit.