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VoltaireIn an Encyclopædia Britannica film dramatization, the French writer Voltaire is brought back to life to discuss both his book Candide and the period of the Enlightenment that he helped to shape.
Encyclopædia Britannica, Inc.The Enlightenment, also known as the Age of Reason, was a philosophical movement in Europe during the 17th and 18th centuries. At its core was a belief in the use and celebration of reason, the power by which humans understand the universe and improve their own condition. The goals of rational humanity were considered to be knowledge, freedom, and happiness.
The Enlightenment had its roots in the past. Three of the chief sources for Enlightenment thought were the ideas of the ancient Greek philosophers, the Renaissance, and the scientific revolution of the late Middle Ages.
AristotleA bust shows the ancient Greek philosopher and scientist Aristotle, one of the greatest intellectual figures of Western history.
The birth of Christianity interrupted philosophical attempts to analyze and explain purely on the basis of reason. Christianity built a complicated worldview that relied on both faith and reason to explain reality. The Renaissance and the Protestant Reformation ended the worldview that the church had presented for a thousand years. The Renaissance revived classical learning, while the Reformation broke up the Christian church in western Europe.
Among other achievements Newton captured in a few mathematical equations the laws that govern the motions of the planets. His success contributed to a growing faith in the capacity of human beings to attain knowledge.
philosophes: EncyclopédieThe philosophes created the multivolume Encyclopédie, their crowning achievement.
From Encyclopédie, ou dictionnaire raisonné des sciences, des arts et des métiers, by Denis Diderot; Jean Le Rond d'Alembert, 1751The Enlightenment was especially prominent in France, where its leaders were known as the philosophes. One of the great works of the philosophes was the publication of the multivolume Encyclopédie. Under the direction of Denis Diderot and initially aided by Jean Le Rond d’Alembert, 17 volumes of text were published between 1751 and 1765; other volumes were added to the Encyclopédie, which eventually totaled 35 by 1780.
Deism found many followers during the Enlightenment, but it was never an organized religion like Christianity. Diests expressed a belief in a God who was the architect of nature’s wonders, a God who had set the world in motion and formulated the laws by which it operated. They believed in the existence of a system of rewards and punishments in the next world administered by that God. They also believed in the obligation of people to lead virtuous and pious lives.
Many historians contend that the Enlightenment ended with the French Revolution (1787–99), which witnessed a notorious period in which revolutionaries executed thousands of nobles, priests, and others suspected of being political opponents. This Reign of Terror (1793–94) severely tested the belief that an egalitarian society could govern itself.
Nevertheless, Enlightenment principles continue to influence human societies. The world’s constitutional democracies, with their emphasis on the secular rule of law, protection of human rights, and separation of powers, are firmly rooted in Enlightenment ideals.
