A prolific writer, Voltaire's works spanned various genres, including plays, poetry, essays, and historical narratives. His most famous work, "Candide," satirises the philosophical optimism espoused by contemporaries like Leibniz, while his extensive correspondence with key Enlightenment thinkers illustrates his commitment to reason and intellectual freedom.

Voltaire's relentless critique of injustice and his championing of freedom of speech have left an indelible mark on modern thought, making him an essential figure in the evolution of secular and liberal ideals. His legacy continues to resonate, inspiring movements advocating for human rights and rational discourse across the globe.