Age of Enlightenment

The Age of Enlightenment (also the Age of Reason and the Enlightenment) was a European intellectual and philosophical movement active from the late 17th to early 19th century. Chiefly valuing knowledge gained through rationalism and empiricism, the Enlightenment was concerned with a wide range of social and political ideals such as natural law, liberty, and progress, toleration and fraternity, constitutional government, and the formal separation of church and state.

The Enlightenment was preceded by and overlapped the Scientific Revolution, which included the work of Johannes Kepler, Galileo Galilei, Francis Bacon, Pierre Gassendi, Christiaan Huygens and Isaac Newton, among others, as well as the philosophy of Descartes, Hobbes, Spinoza, Leibniz, and John Locke. The dating of the period of the beginning of the Enlightenment can be attributed to the publication of René Descartes' ''Discourse on the Method'' in 1637, with his method of systematically disbelieving everything unless there was a well-founded reason for accepting it, and featuring his famous dictum, ''Cogito, ergo sum'' ("I think, therefore I am"). Others cite the publication of Isaac Newton's ''Principia Mathematica'' (1687) as the culmination of the Scientific Revolution and the beginning of the Enlightenment. European historians traditionally dated its beginning with the death of Louis XIV of France in 1715 and its end with the outbreak of the French Revolution in 1789. Many historians now date the end of the Enlightenment as the start of the 19th century, with the latest proposed year being the death of Immanuel Kant in 1804.

Philosophers and scientists of the period widely circulated their ideas through meetings at scientific academies, Masonic lodges, literary salons, coffeehouses and in printed books, journals, and pamphlets. The ideas of the Enlightenment undermined the authority of the monarchy and religious officials and paved the way for the political revolutions of the 18th and 19th centuries. A variety of 19th-century movements, including liberalism, socialism, and neoclassicism, trace their intellectual heritage to the Enlightenment. Scientific racism also has a background in this period.

The Enlightenment was marked by an increasing awareness of the relationship between the mind and the everyday media of the world, and by an emphasis on the scientific method and reductionism, along with increased questioning of religious dogma — an attitude captured by Kant's essay '' Answering the Question: What Is Enlightenment?,'' where the phrase ('dare to know') can be found.

The central doctrines of the Enlightenment were individual liberty, representative government, the rule of law, and religious freedom, in contrast to an absolute monarchy or single party state and the religious persecution of faiths other than those formally established and often controlled outright by the State. By contrast, other intellectual currents included arguments in favour of anti-Christianity, Deism, and even Atheism, accompanied by demands for secular states, bans on religious education, suppression of monasteries, the suppression of the Jesuits, and the expulsion of religious orders. Contemporary criticism, particularly of these anti-religious concepts, has since been dubbed the Counter-Enlightenment by Sir Isaiah Berlin.

Influential intellectuals

The Age of Enlightenment was preceded by and closely associated with the Scientific Revolution. Earlier philosophers whose work influenced the Enlightenment included Francis Bacon, Pierre Gassendi, René Descartes, Thomas Hobbes, Baruch Spinoza, John Locke, Pierre Bayle, and Gottfried Wilhelm Leibniz. Some of the figures of the Enlightenment included Cesare Beccaria, George Berkeley, Denis Diderot, David Hume, Immanuel Kant, Lord Monboddo, Montesquieu, Jean-Jacques Rousseau, Adam Smith, Hugo Grotius, and Voltaire.Jeremy Black, "Ancien Regime and Enlightenment. Some Recent Writing on Seventeenth-and Eighteenth-Century Europe," ''European History Quarterly'' 22.2 (1992): 247–55.

One of the most influential Enlightenment publications was the ' (''Encyclopedia''). Published between 1751 and 1772 in 35 volumes, it was compiled by Diderot, Jean le Rond d'Alembert, and a team of 150 others. The ''Encyclopédie'' helped spread the ideas of the Enlightenment across Europe and beyond. Other publications of the Enlightenment included Berkeley's ''A Treatise Concerning the Principles of Human Knowledge'' (1710), Voltaire's '' Letters on the English'' (1733) and '' Philosophical Dictionary'' (1764); Hume's '' A Treatise of Human Nature'' (1740); Montesquieu's '' The Spirit of the Laws'' (1748); Rousseau's '' Discourse on Inequality'' (1754) and ''The Social Contract'' (1762); Cesare Beccaria's ''On Crimes and Punishments'' (1764); Adam Smith's '' The Theory of Moral Sentiments'' (1759) and ''The Wealth of Nations'' (1776); and Kant's ''Critique of Pure Reason'' (1781).

Topics

Philosophy

Bacon's empiricism and Descartes' rationalist philosophy laid the foundation for enlightenment thinking. Descartes' attempt to construct the sciences on a secure metaphysical foundation was not as successful as his method of doubt applied to philosophy, which led to a dualistic doctrine of mind and matter. His skepticism was refined by Locke's '' Essay Concerning Human Understanding'' (1690) and Hume's writings in the 1740s. Descartes' dualism was challenged by Spinoza's uncompromising assertion of the unity of matter in his ''Tractatus'' (1670) and ''Ethics'' (1677).

According to Jonathan Israel, these laid down two distinct lines of Enlightenment thought: first, the moderate variety, following Descartes, Locke, and Christian Wolff, which sought accommodation between reform and the traditional systems of power and faith, and, second, the Radical Enlightenment, inspired by the philosophy of Spinoza, advocating democracy, individual liberty, freedom of expression, and eradication of religious authority. The moderate variety tended to be deistic whereas the radical tendency separated the basis of morality entirely from theology. Both lines of thought were eventually opposed by a conservative Counter-Enlightenment which sought a return to faith.

In the mid-18th century, Paris became the center of philosophic and scientific activity challenging traditional doctrines and dogmas. After the Edict of Fontainebleau in 1685, the relationship between church and the absolutist government was very strong. The early enlightenment emerged in protest to these circumstances, gaining ground under the support of Madame de Pompadour, the mistress of Louis XV. Called the ''Siècle des Lumières,'' the philosophical movement of the Enlightenment had already started by the early 18th century, when Pierre Bayle launched the popular and scholarly Enlightenment critique of religion. As a skeptic Bayle only partially accepted the philosophy and principles of rationality. He did draw a strict boundary between morality and religion. The rigor of his '' Dictionnaire Historique et Critique'' influenced many of the Enlightenment '' Encyclopédistes.'' By the mid-18th century the French Enlightenment had found a focus in the project of the ''Encyclopédie.'' The philosophical movement was led by Voltaire and Rousseau, who argued for a society based upon reason rather than faith and Catholic doctrine, for a new civil order based on natural law, and for science based on experiments and observation. The political philosopher Montesquieu introduced the idea of a separation of powers in a government, a concept which was enthusiastically adopted by the authors of the United States Constitution. While the '' philosophes'' of the French Enlightenment were not revolutionaries and many were members of the nobility, their ideas played an important part in undermining the legitimacy of the Old Regime and shaping the French Revolution.

Francis Hutcheson, a moral philosopher and founding figure of the Scottish Enlightenment, described the utilitarian and consequentialist principle that virtue is that which provides, in his words, "the greatest happiness for the greatest numbers." Much of what is incorporated in the scientific method (the nature of knowledge, evidence, experience, and causation) and some modern attitudes towards the relationship between science and religion were developed by Hutcheson's protégés in Edinburgh: David Hume and Adam Smith. Hume became a major figure in the skeptical philosophical and empiricist traditions of philosophy.

Kant tried to reconcile rationalism and religious belief, individual freedom and political authority, as well as map out a view of the public sphere through private and public reason. Kant's work continued to shape German thought and indeed all of European philosophy, well into the 20th century.

Mary Wollstonecraft was one of England's earliest feminist philosophers. She argued for a society based on reason and that women as well as men should be treated as rational beings. She is best known for her work '' A Vindication of the Rights of Woman'' (1792).

Science

Science played an important role in Enlightenment discourse and thought. Many Enlightenment writers and thinkers had backgrounds in the sciences and associated scientific advancement with the overthrow of religion and traditional authority in favour of the development of free speech and thought. There were immediate practical results. The experiments of Antoine Lavoisier were used to create the first modern chemical plants in Paris, and the experiments of the Montgolfier brothers enabled them to launch the first manned flight in a hot air balloon in 1783.

Broadly speaking, Enlightenment science greatly valued empiricism and rational thought and was embedded with the Enlightenment ideal of advancement and progress. The study of science, under the heading of natural philosophy, was divided into physics and a conglomerate grouping of chemistry and natural history, which included anatomy, biology, geology, mineralogy, and zoology. As with most Enlightenment views, the benefits of science were not seen universally: Rousseau criticized the sciences for distancing man from nature and not operating to make people happier.

Science during the Enlightenment was dominated by scientific societies and academies, which had largely replaced universities as centres of scientific research and development. Societies and academies were also the backbone of the maturation of the scientific profession. Scientific academies and societies grew out of the Scientific Revolution as the creators of scientific knowledge, in contrast to the scholasticism of the university. Some societies created or retained links to universities, but contemporary sources distinguished universities from scientific societies by claiming that the university's utility was in the transmission of knowledge while societies functioned to create knowledge. As the role of universities in institutionalized science began to diminish, learned societies became the cornerstone of organized science. Official scientific societies were chartered by the state to provide technical expertise.

Most societies were granted permission to oversee their own publications, control the election of new members and the administration of the society. In the 18th century, a very large number of official academies and societies were founded in Europe; by 1789 there were over 70 official scientific societies. In reference to this growth, Bernard de Fontenelle coined the term "the Age of Academies" to describe the 18th century.

Another important development was the popularization of science among an increasingly literate population. ''Philosophes'' introduced the public to many scientific theories, most notably through the ''Encyclopédie'' and the popularization of Newtonianism by Voltaire and Émilie du Châtelet. Some historians have marked the 18th century as a drab period in the history of science. The century saw significant advancements in the practice of medicine, mathematics, and physics; the development of biological taxonomy; a new understanding of magnetism and electricity; and the maturation of chemistry as a discipline, which established the foundations of modern chemistry.

The influence of science began appearing more commonly in poetry and literature. Some poetry became infused with scientific metaphor and imagery, while other poems were written directly about scientific topics. Richard Blackmore committed the Newtonian system to verse in ''Creation, a Philosophical Poem in Seven Books'' (1712). After Newton's death in 1727, poems were composed in his honour for decades.Burns, (2003), entry: 158. James Thomson penned his "Poem to the Memory of Newton," which mourned the loss of Newton and praised his science and legacy.

Sociology, economics, and law

Hume and other Scottish Enlightenment thinkers developed a " science of man," which was expressed historically in works by authors including James Burnett, Adam Ferguson, John Millar, and William Robertson, all of whom merged a scientific study of how humans behaved in ancient and primitive cultures with a strong awareness of the determining forces of modernity. Modern sociology largely originated from this movement, and Hume's philosophical concepts that directly influenced James Madison (and thus the U.S. Constitution), and as popularised by Dugald Stewart was the basis of classical liberalism.

In 1776, Adam Smith published ''The Wealth of Nations,'' often considered the first work on modern economics as it had an immediate impact on British economic policy that continues into the 21st century.M. Fry, ''Adam Smith's Legacy: His Place in the Development of Modern Economics'' (Routledge, 1992). It was immediately preceded and influenced by Anne Robert Jacques Turgot's drafts of '' Reflections on the Formation and Distribution of Wealth'' (1766). Smith acknowledged indebtedness and possibly was the original English translator.

Beccaria, a jurist, criminologist, philosopher, and politician and one of the great Enlightenment writers, became famous for his masterpiece ''Dei delitti e delle pene'' (Of Crimes and Punishments, 1764). His treatise, translated into 22 languages, condemned torture and the death penalty and was a founding work in the field of penology and the classical school of criminology by promoting criminal justice. Francesco Mario Pagano wrote important studies such as ''Saggi politici'' (Political Essays, 1783); and ''Considerazioni sul processo criminale'' (Considerations on the Criminal Trial, 1787), which established him as an international authority on criminal law.

Politics

The Enlightenment has long been seen as the foundation of modern Western political and intellectual culture. The Enlightenment brought political modernization to the West, in terms of introducing democratic values and institutions and the creation of modern, liberal democracies. This thesis has been widely accepted by scholars and has been reinforced by the large-scale studies by Robert Darnton, Roy Porter, and, most recently, by Jonathan Israel. Enlightenment thought was deeply influential in the political realm. European rulers such as Catherine II of Russia, Joseph II of Austria, and Frederick II of Prussia tried to apply Enlightenment thought on religious and political tolerance, which became known as enlightened absolutism. Many of the major political and intellectual figures behind the American Revolution associated themselves closely with the Enlightenment: Benjamin Franklin visited Europe repeatedly and contributed actively to the scientific and political debates there and brought the newest ideas back to Philadelphia; Thomas Jefferson closely followed European ideas and later incorporated some of the ideals of the Enlightenment into the Declaration of Independence; and Madison incorporated these ideals into the U.S. Constitution during its framing in 1787.

Theories of government

Locke, one of the most influential Enlightenment thinkers, based his governance philosophy in social contract theory, a subject that permeated Enlightenment political thought. English philosopher Thomas Hobbes ushered in this new debate with his work ''Leviathan'' in 1651. Hobbes also developed some of the fundamentals of European liberal thought: the right of the individual, the natural equality of all men, the artificial character of the political order (which led to the later distinction between civil society

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