Voltaire (1694-1778) was a French Enlightenment philosopher, writer, and historian. Renowned for his wit and intelligence, he challenged the religious and political establishments of his time through his sharp satirical works. His masterpiece "Candide" reflects his critiques on societal injustices, religious intolerance, and the flawed optimism of human nature. Voltaire's ideas of freedom of speech, religious tolerance, and social equality had a profound impact on the Enlightenment movement. He fervently championed rationality, reason, and the pursuit of knowledge. Through his extensive literary contributions, Voltaire displayed his immense intellectual prowess, leaving a lasting legacy in the realms of philosophy and literature.