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His Life, Character, and Philosophy

Rebels on the run. Hume leading Rousseau to safety in England.

Rousseau’s ideas on freedom, education, inequality, and the corrupting influence of civilisation transformed politics, philosophy, and literature, inspiring figures from Immanuel Kant to the leaders of the French Revolution. Yet the man who urged humanity to return to nature lived a life marked by poverty, exile, and growing paranoia. Few thinkers have had so great an influence while living such a turbulent—and scandalous—life.

Jean-Jacques Rousseau was born on 28 June 1712 in the Republic of Geneva, more precisely, at 40 Grand-Rue, which still stands on the hill of Geneva’s quaint old town. The French reformer Jean Calvin had arrived in Geneva in 1536, a few months after the city had turned to Protestantism and shaken off the dukes of Savoy. Surrounded by Catholic states, the self-governing city became a haven for Protestant refugees drawn to Calvin’s teachings, and came to be known as the Protestant Rome.

Although he once forfeited his Genevan citizenship (in 1728, at the age of sixteen, for converting to Roman Catholicism) and once renounced it (in 1763, after Geneva condemned the Social Contract and Emile, leading to a warrant for his arrest), Rousseau always pointedly signed his books, Jean-Jacques Rousseau, Citoyen de Genève [Citizen of Geneva]. His political thought and religious puritanism are deeply rooted in the Cité de Calvin (or Kalvingrad, as locals still call it, on account of Calvin’s austerity), which he held up as a foil to frivolous Paris and absolutist France.

Rousseau’s father, the watchmaker Isaac Rousseau, also had strong Republican sympathies. His mother Suzanne had been raised by her uncle Samuel Bernard, a Calvinist preacher, and had come with a handsome dowry—hence the house on the Grand-Rue. Only three months after the birth of their first child, Isaac left for Constantinople to serve as watchmaker to the sultan (or so he claimed). He returned after a full six years, shortly after Suzanne’s live-in mother had died and Suzanne had come into 10,000 florins. Soon after his return, Jean-Jacques was born.

Childhood in Geneva

A few days after giving birth to Jean-Jacques, Suzanne died from puerperal fever (a postpartum infection). Isaac’s younger sister moved in to help with the children, and Rousseau grew close to his aunt. From the age of six, he, together with his father, began reading a collection of classics left by Samuel Bernard. Plutarch, who emphasised character over deeds, made the deepest impression on him. Although (or because) he did not receive a formal education, Rousseau rose into a master of French prose.

At the age of ten, Jean-Jacques’s father entered a quarrel and fled to nearby Nyon (then administered by Berne), taking his sister with him. Jean-Jacques and his brother were handed over to the Bernards. The Bernards sent Jean-Jacques and his cousin Abraham Bernard to live with the Calvinist minister Lambercier and his sister Gabrielle in Bossey, a village just outside the city walls, where Jean-Jacques discovered a passion for nature.

At the age of thirteen, Jean-Jacques was sent back to Geneva to work as an apprentice, first to a notary and then to an engraver who frequently beat him. At the age of sixteen, he ran away after returning from a walk and finding that the city gates had been locked.

Madame de Warens

On the run in Savoie, he found shelter with a Catholic priest. The priest put him onto the attractive Françoise-Louise de Warens, who had separated from her husband, converted to Catholicism, and become a proselytiser in the pay of Victor Amadeus II of Savoy (since 1720, Piedmont-Sardinia). Completely smitten, Rousseau completed his conversion to Catholicism in the Piedmont-Sardinia capital of Turin, where he supported himself by working as a footman and secretary to an ailing countess. After the countess died, he pocketed a pink and silver ribbon, which was discovered in his room. He blamed a cook, Marion, who of course denied it. The Count de la Roque dismissed them both with the prophetic words, ‘The conscience of the guilty will avenge the innocent.’

At the age of twenty, Rousseau returned to Madame de Warens in Chambéry, and their relationship turned sexual. Although Warens was also intimate with her household steward, he considered it the greatest love of his life. He began to call her Maman, and she him Mon petit. So far, so French.

In those years, he struggled to establish himself and spent a year travelling. He went mostly on foot, meeting people from all walks of life. When he returned to Warens, he pursued his love of music and read deeply. But Warens could no longer support him, so, at the age of twenty-seven, he took a post as a tutor in Lyon, which gave him the opportunity to reflect on pedagogy.

The Paris Years: The Greatest Scandal of All

With Warens growing cold on him, in 1742, at the age of thirty, Rousseau moved to Paris to present a new system of musical notation to the Académie des Sciences. The Académie praised his mastery of the subject but found his system impractical and rejected it. In 1743, his Enlightenment connections led him to a job as secretary to the French ambassador in Venice. He revelled in the superior Italian music, but did not get on with the ambassador and, the following year, returned to Paris.

He met a laundry girl, Thérèse Levasseur, who would become his life companion and, in time, his wife. In 1746, she bore the first of their five illegitimate children. All five were immediately handed to a foundling hospital, where the chances of surviving into adulthood would have been slim. Later, Voltaire would anonymously publish a pamphlet to expose this secret and discredit Rousseau as a moral and educational authority. Rousseau took in Thérèse and her mother to live with him as servants, and assumed the burden of supporting her large and feckless family.

Rousseau wrote ballets, with little success. He began to spend a lot of time with Diderot, Condillac, and d’Alembert, and became involved with Diderot’s brainchild, the Encyclopédie, to which he contributed almost four hundred articles on politics and music. The Encyclopédie, a pillar of the Enlightenment, was denounced by both the king and the Church.

The Paris Years: The First Discourse and the King’s Pension

In 1749, Diderot was imprisoned in Vincennes for his Letter on the Blind for the Use of Those Who Can See. While walking to Vincennes to visit him, Rousseau read an announcement in the Mercure de France for the Dijon Academy’s essay contest, on the question, ‘Has the restoration of the sciences and arts contributed to the purification of morals?’ This led to the radical and distinctly un-Enlightened idea that the arts and sciences had led to the moral degeneration of man, who began as moral and vigorous—or, at least, uncorrupted by vanity, superficiality, inauthenticity, luxury, and inequality. Whereas the spirited Spartans set all of Asia trembling, the sophisticated and self-indulgent Sybarites let themselves be overrun by a bunch of peasants. In his Confessions, Rousseau wrote, ‘Within an instant of reading this [advertisement], I saw another universe and became another man.’ With his prize-winning essay, Discourse on the Arts and Sciences (the ‘First Discourse’), Rousseau rose into a cause célèbre.

In 1752, Rousseau wrote a simple, Italian-inspired one-act opera, Le Devin du village, which premiered at the royal court at Fontainebleau. The king liked it enough to offer him a pension, which he declined—gaining further notoriety as ‘the man who had refused a king’s pension’.

Return to Geneva and the Second Discourse

In 1754, Rousseau returned to Geneva, converted back to Calvinism, and had his Genevan citizenship restored. He embraced a personal, natural religion, or ‘religion of the heart’, which, together with his belief in the corrupting influence of civilisation, set him apart from the other Encyclopédistes, who championed reason and progress, and atheism.

In 1755, he completed his second major work, the Discourse on Inequality (the ‘Second Discourse’), in which he painted a rosy picture of man in the original ‘state of nature’ and argued that private property is the original source and basis of all inequality and misery. The ‘social contract’ was essentially a conspiracy by the rich to legitimise their ownership and enslave the masses. Though it is impossible to return to the state of nature, it is possible to correct some of the errors of civilisation. When Voltaire received his copy, he wrote back to Rousseau: ‘No one has ever employed so much intellect to persuade men to be beasts. In reading your work one is seized with a desire to walk on all fours.’

Madame d’Epinay, Sophie d’Houdetot, and Julie

The saloniste Madame d’Epinay, having noticed the second discourse, offered Rousseau a pension together with a cottage on her estate in Montmorency. He refused the pension but moved into the cottage with Thérèse and her mother. He resented being in the keep of Madame d’Epinay and soured things by falling head over heels for her cousin and sister-in-law, Sophie d’Houdetot. He came to believe that there was a plot against him and wrote a series of letters to the likes of Diderot and Hume that damaged his reputation. In 1757, he moved with Thérèse into a villa on the nearby estate of the duc de Luxembourg, who became his patron. His bestselling novel, Julie, ou la nouvelle Héloïse (1761), is inspired by his liaisons with d’Houdetot and Warens.

The Social Contract and Emile

After Julie, Rousseau turned his pen to his two most acclaimed works, the Social Contract and Emile. In the Social Contract, which begins with the famous sentence, ‘Man is born free, and everywhere he is in chains,’ Rousseau sets out how to create a just state in which we may recover some of our natural freedom and goodness. Only the general will [volonté générale], which aims at the common good of a people, has the right to legislate. Although Rousseau advocated for direct democracy, the general will need not coincide with the majority vote if citizens are misinformed or motivated by self-interest rather than the common good. The general will, which is the sovereign power, can only legislate laws that apply equally to all, and must be separate from the executive power, which deals with matters of application of the law. Only under the general will can the people be said to be freely obeying themselves.

In Emile, Rousseau, an autodidact with no formal education, set out a system of education which might preserve the individual’s innate vigour and morality. Having encouraged the child to become active, curious, and critical, it remains, in adolescence, to make him into a loving and feeling being, ‘to perfect reason by sentiment’. Emile, however, is aimed exclusively at wealthy orphan boys with a dedicated, live-in tutor (orphan, to remove the corrupting influence of the parents). In the section on Emile’s female counterpart Sophie, Rousseau states that ladies should be ‘passive and weak’ and ‘put up little resistance’. Book IV contains the incendiary ‘Profession of Faith of the Savoyard Vicar’, in which the vicar’s argument leads to natural religion, that is, to an unmediated, self-discovered relationship with a creator God. In a letter, Voltaire deemed Emile ‘a hodgepodge of a silly wet nurse in four volumes, with forty pages against Christianity, among the boldest ever known’ [C’est un fatras d’une sotte nourrice en quatre tomes, avec une quarantaine de pages contre le christianisme, des plus hardies qu’on ait jamais écrites].

On the Run

The Social Contract and Emile were banned from both France and Geneva, with warrants issued for Rousseau’s arrest. Over the next few years, Rousseau moved from place to place until his reputation caught up with him. For a time, he lived on an island on Lake Biel, where no one could throw stones at his windows. Frederick the Great, on principle rather than from shared conviction, offered him protection and assistance. His nemesis Voltaire invited him in vain to Ferney (nowadays, Ferney-Voltaire) on the Geneva border, where renegade writers could border hop to escape the authorities.

In 1766, Rousseau travelled to England with Hume. Tasked with escorting Thérèse to England, Boswell seduced her en route, with Thérèse telling him, ‘Don’t imagine you’re a better lover than Rousseau.’ Perhaps understandably, Rousseau’s paranoia intensified, and he began to suspect Hume of being at the centre of a plot to ridicule him. The two men fell out when Hume, seeking to protect his reputation, published an account of the whole affair.

Final Years

Rousseau returned to France in 1767 under an assumed name, and spent the next three years in paranoid retreat. He married Thérèse, practised botany, and wrote his disarmingly candid Confessions, published posthumously in 1782.

He died in 1778, at the age of sixty-six, from what was recorded as apoplexy (some said suicide). He was buried at midnight by torchlight on the île des Peupliers on the estate of the marquis de Girardin in Ermenonville. In 1794, his remains were moved to the Panthéon and placed next to those of… Voltaire.

Despite his love of hosting, conversation, and fine dining, Kant’s house was unadorned and austere. He had only one picture, which hung above his bureau. This picture was of Jean-Jacques Rousseau, who was only twelve years older than him.

In his Remarks on the Observations on the Feeling of the Beautiful and the Sublime (1764), Kant acknowledges his debt to Rousseau, who, he says, ‘set him right’:

I feel a consuming thirst for knowledge, and a restless passion to advance in it… There was a time when I thought this alone could constitute the honour of mankind, and I despised the common man who knows nothing. Rousseau set me right. This blind prejudice vanishes; I learn to respect human beings, and I should consider myself far more useless than the common labourer if I did not believe that this consideration could impart a value to all others in order to establish the rights of humanity.

Rousseau had taught Kant to judge people by their moral worth, rather than their education and standing—a lesson that would have resonated with Kant’s memory of his mother.

Rousseau’s influence also extended to Kant’s moral philosophy. If for Rousseau, it is by following the general will that we can be said to be free, for Kant, it is by obeying those moral laws that we would will as universal laws. Moral laws that we would will as universal laws are given not by our individual will but by our rational will, which we have in common with all other rational beings. We often experience this dichotomy in our minds: this is what I selfishly or frivolously want to do, and this is what I truly ought to do—because I want to live in the kind of society that abides by this principle, and would resent it if other people behaved in such a selfish, thoughtless way. To conform to the universal law is not to be a slave; on the contrary, it is to follow reason and free ourselves from our irrational and disordered appetites. For Kant, this capacity to overrule our individual will lies at the heart of our special dignity.

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If you want to know what happened next, read The German Greeks, which tells the story of how Kant, Schopenhauer, Nietzsche, and others responded to the philosophical revolution that Rousseau helped to create.

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His Life, Character, and Philosophy

Hume leading Rousseau to safety in England

David Hume was one of the greatest philosophers of the Enlightenment—and one of its most controversial. At a time when philosophers placed their faith in reason, he questioned everything from causation and the self to religion and morality. His radical scepticism led many to regard him as an atheist and cost him several university appointments. Yet the man whom many feared for his ideas was, by all accounts, open, sociable, and cheerful. Today, he is recognised as one of the most influential thinkers in the history of philosophy.

David Hume was born in 1711 in Edinburgh. His father Joseph was the laird of Ninewells, his mother Katherine the daughter of the Lord President of the Court of Session (Scotland’s supreme civil court). His father’s family was a cadet branch of the Earls of Home (pronounced ‘Hume’). In 1713, Joseph died at the age of thirty-three, leaving Katherine in sole care of three tots.

Hume went up to the University of Edinburgh at the age of ten or twelve, young even for the time, but found little of value in formal lectures. Later, he told a friend that ‘there is nothing to be learnt from a professor, which is not to be met in books.’ He shunned the legal studies that his family intended for him, preferring instead to devour classical and philosophical texts. ‘While [my family] fancied I was poring upon Voet and Vinnius, Cicero and Virgil were the authors which I was secretly devouring.’

This inner conflict drove him, at the age of eighteen, to a nervous breakdown. A local physician diagnosed ‘a disease of the learned’ and had the good sense to prescribe horse riding for outdoors and, for indoors, wine drinking, which worked a charm. Once Hume had found and embraced who he was, his malady never returned. In later life, he became an advocate of ‘ordinary life’ as a cure for ‘philosophical melancholy’.

I dine, I play backgammon, I converse … and whenafter three or four hours’ amusement, I would return to speculations, they appear so cold, and strain’d, and ridiculous, that I cannot find in my heart to enter into them any further.

A Treatise of Human Nature

In 1734, at twenty-three, Hume moved to Bristol to work as a clerk for a sugar importer. Ill-suited to the job, he soon left for Paris, then Rheims, then the small town of La Flèche, with its Jesuit college made famous for having schooled Descartes. Hume had been attracted to La Flèche by the college’s library of some 40,000 books, as well as the lower cost of living compared to Paris or Rheims. He remained in La Flèche for three years (1734-1737), during which he wrote A Treatise of Human Nature.

When it was published in 1739, the reception was not as Hume had hoped. In the short autobiography written near (almost at) the end of his life, he tells us that the Treatise ‘fell dead-born from the press, without reaching such distinction, as even to excite a murmur among the zealots.’ He disavowed the Treatise and asked that his more polished Enquiry Concerning Human Understanding (1748) be regarded as his final word—a request that posterity has ignored.

Essays Moral and Political

After his disappointment with the Treatise, Hume turned to essay writing, which was then in vogue. In 1742, he published the first volume of his Essays Moral and Political, which were favourably received and ‘soon made me entirely forget my former disappointment’.

Hume developed a talent for prose and a reputation as a skeptic and all-round heretic. In 1745, he applied for the vacant chair of moral philosophy at Edinburgh, but was rejected on the strength of his reputation. He took up the post of tutor and companion to the troubled and impossible Marquess of Annandale, but resigned after a year.

He then joined a planned expedition to Quebec, serving as secretary to Lieutenant-General James St Clair. However, the expedition was cancelled and the forces diverted to a raid on Lorient in Brittany. The failure of this operation did not prevent Hume from sporting the uniform of an officer on subsequent diplomatic missions with St Clair to the courts of Vienna and Turin (then the capital of Savoy).

History of Great Britain

In 1748, Hume’s re-write of the first volume of the Treatise of Human Nature was published as Philosophical Essays Concerning Human Understanding (retitled in 1758 to An Enquiry Concerning Human Understanding). After being turned down as an improper person for the Chair of Moral Philosophy at Glasgow, he became, in 1752, the Keeper of the Advocates’ Library in Edinburgh—affording him the time and resources to write his monumental, and monumentally successful, History of Great Britain, published in six volumes over eight years (1754-62). Hume became, in his own words, ‘not only independent, but opulent.’ Such was the success of the History that, in his lifetime and for a long time after, he was better known as a historian than a philosopher.

Rescuing Rousseau

In 1763, Hume became Secretary to the British Embassy in Paris. He basked in the adulation that le tout Paris afforded to a successful writer. He acquired the nickname le bon David and, according to Horace Walpole, became ‘fashion itself’. Though the relationship was never consummated, he became intimate with the countess and grande dame Madame de Boufflers.

At that time, Jean-Jacques Rousseau was in big trouble following the publication of The Social Contract and Emile. Boufflers put Hume to rescuing Rousseau by sending him to the safety of England. In January 1766, at the end of his tenure at the embassy, Hume left for London with Rousseau. The two men had much in common, not least their infamy, and held each other in the highest regard. But Rousseau was prone to paranoia and began to suspect Hume of being at the centre of a plot to ridicule him. To protect his good reputation against Rousseau’s mighty pen, Hume reluctantly pre-empted Rousseau by publishing an account of the whole affair.

Final Years

In 1767, Hume took up his last appointment as Under-Secretary of State for the Northern Department (the predecessor of the Foreign Office). The following year, he retired to Edinburgh and built himself a house in St Andrew’s Square, where he lived with his sister Katherine.

Within ten years, shortly after the American Declaration of Independence (July 1776), Hume died from a ‘disorder of the bowels’. He wrote a concise autobiography, My Own Life, so near to his death that at the end he switches to the past tense:

I am, or rather was (for that is the style I must now use in speaking of myself, which emboldens me the more to speak my sentiments); I was, I say, a man of mild disposition, of command of temper, of an open, social, and cheerful humour, capable of attachment, but little susceptible of enmity, and of great moderation in all my passions. Even my love of literary fame, my ruling passion, never soured my temper, notwithstanding my frequent disappointments … I cannot say there is no vanity in making this funeral oration of myself, but I hope it is not a misplaced one; and this is a matter of fact which is easily cleared and ascertained.

In his eulogy, Adam Smith, who had recently published The Wealth of Nations (1776), wrote that his friend Hume approached ‘as nearly to the idea of a perfectly wise and virtuous man as perhaps the nature of human frailty will permit’.

The Newton of Human Affairs

Already at the age of eighteen, Hume complained about philosophy being engaged in ‘endless disputes’ of an entirely hypothetical nature. He disparagingly referred to rationalist systems such as those of Leibniz, Spinoza, and Descartes as ‘speculative metaphysics’. 

Newton, in contrast, set out only to describe and predict events, without seeking to explain them. One of his most famous phrases is, Hypotheses non fingo [I do not feign hypotheses].

I have not as yet been able to discover the reason for these properties of gravity from phenomena, and I do not feign hypotheses. For whatever is not deduced from the phenomena must be called a hypothesis; and mere hypotheses, whether metaphysical or physical, or based on occult qualities, or mechanical, have no place in experimental philosophy. In this philosophy particular propositions are inferred from the phenomena, and afterwards rendered general by induction.

Hume saw himself as extending Newton’s experimental method to the study of human nature and the ‘moral sciences’—whence the subtitle of A Treatise of Human Nature: Being an Attempt to Introduce the Experimental Method of Reasoning into Moral Subjects.

Empiricism and Skepticism

At the core of Hume’s radical empiricism are two tenets. First, there are no innate ideas: all knowledge and concepts must arise or else derive from sensory impressions. Without prior observation, Adam (from Adam and Eve) could not have inferred that fire would burn him, or water drown him. All that is not founded in sense experience is essentially meaningless. 

Second, all we can directly perceive are our internal mental states. The self is no more than a bundle or collection of various perceptions and sensations, ‘which succeed each other with an inconceivable rapidity’. Taken together, these two tenets have dramatically skeptical implications, undermining traditional concepts such as God, the soul, a persistent self, external objects, and causation.

The Problem of Causation

When it comes to causation, we never perceive a ‘necessary connection’ between events, only ever a ‘constant conjunction’ of one event following another, over and over again. The supposed causal link is missing from sense experience. Cause and effect are merely a habit of mind. But that the sun keeps on rising every morning need not mean that it will always rise every morning. Cause and effect, which underpins all science, is justified not by reason and deduction but only by induction (habit), which is unsafe.

Reason the Slave of the Passions

At the height of the Age of Reason, Hume was the great debaser of reason. ‘Reason’ he said, ‘is, and ought only to be the slave of the passions…’ 

Still today, most people think of choice and action as a battleground between reason and the ‘passions’ (desires, emotions, and sensations). Hume argued that it is in fact a battleground between the passions and the passions. For example, if I pass over dessert, this is because my desire to feel and look good is stronger than my desire to eat something heavenly. It can sometimes feel as if the passions are fighting with reason, when, really, it is an urgent passion, such as my desire for dessert, fighting with a calmer, longer term one, such as my desire for moderation which masquerades as reason.

Reason on its own cannot impel action. Its role is simply to supply us with true beliefs about the best means of achieving the ends that our passions have already determined. The aim of a monarch or general in delivering a battle exhortation is not to be right or logically sound, but to fire up the passions and try to make it so that the resolve of his men is greater than their fear.

A passion may be justified or unjustified, but cannot be true or false like a belief. When a passion is founded on a false belief, the problem is with the false belief rather than the passion. Once we have ascertained that there are no gremlins under the bed, or persuaded ourselves that there are no such things as ghosts, our fear of these things simply evaporates.

Morality and the ‘Is-Ought’ Problem

Because morality is about choices and actions, it cannot arise from reason. Or in Hume’s famous turn of phrase, ‘You cannot derive an ‘ought’ from an ‘is’.’ Prescriptive statements (‘oughts’) arise not from facts and reason but from values and feelings, especially the capacity for sympathy, which leads to pleasure in response to prosocial actions and aversion in response to antisocial ones. Whenever a prescriptive statement appears to derive from a descriptive one, this is only because there is a prescriptive premise that is missing but presumed. For example: ‘Stealing harms other people. Therefore, we ought not steal.’ The presumed prescriptive premise here is, ‘We ought not harm other people’—which is not a fact but a value judgement.

You can see why Immanuel Kant was disturbed by all of this. If Hume was right, science rested on habit rather than certainty, and morality on feeling rather than reason. His response, the 856-page Critique of Pure Reason (1781), emerged after a ‘silent decade’ during which he retreated into himself and published a total of just 23 pages. He later wrote that it was Hume who had awakened him from his ‘dogmatic slumber’.

Continue Exploring

If you want to know what happened next, read The German Greeks, which tells the story of how Kant, Schopenhauer, Nietzsche, and others responded to the philosophical revolution that Hume helped to create.

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