The Legacy of Skepticism

When Voltaire composed his first letter on the Quakers, he was drawing from a deep well of philosophical skepticism. Two centuries earlier, Michel de Montaigne had already posed the essential question: who are we to pass judgment on the customs of others? In his famous essay on cannibals, Montaigne demonstrated how seemingly strange practices reveal their own internal logic upon closer inspection. Voltaire applied precisely this method to the Quakers. Rather than dismissing their refusal to swear oaths, their rejection of ecclesiastical hierarchy, or their austere dress as foolishness, he presented these as elements of a coherent worldview — walking the very path Montaigne had cleared.

Pierre Bayle, the French philosopher who wrote from exile in Rotterdam, may have been an even more direct influence. His Historical and Critical Dictionary demonstrated that atheists could act morally and that religious conviction was no guarantee of virtue. Voltaire carried this insight into his observations of the Quakers: here was a community that, without priests, without sacraments, without the usual religious power structures, nonetheless led exemplary moral lives.

English Empiricism and the Inner Light

The philosophical atmosphere of the England Voltaire visited was steeped in empiricism. John Locke had argued in his Essay Concerning Human Understanding that all knowledge derives from experience, not from innate ideas. This had profound implications for religious freedom: if no one could claim absolute certainty about metaphysical truths, then tolerance was the only reasonable stance. Voltaire embraced this position wholeheartedly.

The Quakers, with their emphasis on the “inner light,” fit remarkably well into this philosophical landscape. They held that every person had direct access to divine truth, without the mediation of priests or sacred texts. For Voltaire, who was deeply suspicious of every form of religious authority, this was a fascinating proposition. The Quakers’ inner light resonated with the philosophical autonomy that the Enlightenment would soon champion on a grand scale.

In the Quakers, Voltaire saw not a curiosity but living proof that faith without coercion, hierarchy, or violence was genuinely possible.

Stoic Echoes in Quaker Simplicity

The Quakers lived simply, dressed without adornment, and rejected luxury. This must have reminded Voltaire of the classical Stoics. Seneca had written extensively about the illusion of wealth and status. Epictetus, himself a former slave, taught that true freedom resides in the mind, not in external circumstances. Marcus Aurelius, the philosopher-emperor, repeatedly warned against the temptation of ostentation.

The Quakers seemed to put this ancient wisdom into practice. Their refusal to use titles or bow before those in power mirrored the Stoic conviction that all human beings are equal in their capacity for reason and virtue. Voltaire, who knew the hypocrisy of the French court only too well, must have found in this a refreshing authenticity — a real-world embodiment of ideas that had lived mostly on the page.

The Role of Natural Religion

A crucial philosophical current shaping Voltaire’s thinking about the Quakers was deism. This movement, which had strong English roots through thinkers like Lord Herbert of Cherbury, held that universal religious truths existed and could be discovered through reason alone, independent of revelation or tradition. God had created the world, but human reason was sufficient for living a moral life.

The Quakers, though Christian in name, appeared to Voltaire to stand closer to this natural religion than the ritual-laden Catholic Church. Their rejection of sacraments, their emphasis on personal experience of the divine, and their practical ethics aligned with what Voltaire considered the essence of true religiosity: not dogma, but virtue.

Spinoza’s Shadow

Although Voltaire publicly distanced himself from Baruch de Spinoza — whose pantheism was widely regarded as atheism — subtle influences are discernible. Spinoza had argued that true religion consists of justice and charity, not ceremonies and creeds. The Quakers, with their radical ethical focus and their disdain for outward show, embodied this Spinozist ideal.

Moreover, Spinoza had advocated for complete religious freedom in his Theological-Political Treatise. The Dutch Republic, where he wrote, offered refuge to persecuted religious minorities, including Quakers. Voltaire, who also visited the Netherlands, was well acquainted with this model of tolerance — and it clearly informed the standards by which he judged both English and French society.

Voltaire and the Masonic Tradition

The Letters on the English appeared during a period when modern Freemasonry was just taking shape. A few years earlier, in 1717, the first Grand Lodge had been founded in London. The principles embraced there — tolerance between people of different faiths, the primacy of brotherhood over dogma, the pursuit of moral improvement — reflect the same philosophical foundations that Voltaire explored in his letter on the Quakers.

Like the Freemasons, the Quakers regarded ritual as secondary to inner transformation. Like the lodges, Quaker meetings offered a space where social hierarchy was suspended. And like the Masonic tradition, Voltaire rejected the notion that any single church held a monopoly on truth. These parallel currents — Quaker simplicity, Masonic fraternity, and Voltairean reason — all flowed from the same Enlightenment spring: the conviction that human beings, guided by conscience and reason, could build a tolerant society without the crutch of enforced orthodoxy.

It is no coincidence that Voltaire himself was initiated into Freemasonry late in life, in 1778, at the Lodge of the Nine Sisters in Paris. By that time, the ideals he had first glimpsed among the Quakers of England — equality, tolerance, moral sincerity — had found a natural home within the Craft.

Voltaire’s encounter with the Quakers was never just about one peculiar religious sect. It was a prism through which converging philosophical traditions — skepticism, empiricism, Stoicism, deism, and even traces of Spinoza — came into sharp focus. These same intellectual currents would flow directly into the ideals of Freemasonry: tolerance, equality, and the belief that moral truth is discovered through reason and lived experience rather than imposed by authority. In tracing Voltaire’s philosophical journey from the hatless Quaker to the Masonic lodge, we trace the very roots of the Enlightenment’s most enduring promise — that diverse human beings can coexist in mutual respect and shared pursuit of the good.

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The message Voltaire on the Quakers: Philosophical Roots of Tolerance first published on De Vrijmetselaar.