What was the main belief of enlightenment thinkers?

The main belief of Enlightenment thinkers was that reason and rationality should be applied to all aspects of human life, including politics, religion, and society. They advocated for the use of science, skepticism, and critical thinking to challenge traditional authority and promote individual freedom, equality, and progress. They sought to replace superstition, ignorance, and tyranny with knowledge, reason, and the pursuit of individual and collective happiness.