In the vibrant cafés of Paris during the 20th century, where existentialism was born and ideas flowed as freely as wine, Jean-Paul Sartre and Simone de Beauvoir forged one of the most fascinating and unconventional relationships in history. Their love story was not one defined by tradition but by a radical commitment to freedom, intellect, and authenticity. Together, they challenged societal norms, redefined relationships, and left an incredible mark on philosophy, literature, and feminism.
But who were Sartre and Beauvoir beyond their theories? What was the nature of their famous “pact”? And how did they navigate the complexities of love, freedom, and ambition in the City of Light?
Let’s dive into their extraordinary lives and the legacy they left behind.

The Meeting: A Partnership of Equals
Jean-Paul Sartre and Simone de Beauvoir first met in 1929 at the prestigious École Normale Supérieure in Paris. Sartre was the quintessential intellectual—a philosopher with piercing eyes, a sharp wit, and an insatiable curiosity about the human condition. Simone, at just 21 years old, was already breaking barriers as one of the most brilliant women in a male-dominated academic world.
Their first encounter was electric. Sartre was captivated by Simone’s intellect, calling her “the Beaver” (a playful nod to her surname and industriousness). Simone de Beauvoir, though initially skeptical of Sartre’s arrogance, quickly recognized his genius. They were drawn to each other not just romantically but intellectually—a bond that would define their lives.
Sartre famously proposed to Simone early in their relationship, but she declined, rejecting the traditional roles of wife and mother. Instead, they crafted a “pact” that would guide their union for the next fifty years.
I’m going to smile, and my smile will sink down into your pupils, and heaven knows what it will become.
Jean-Paul Sartre

The Pact: Radical Freedom and Love Without Possession
At the core of their relationship was a revolutionary idea: love without ownership. Sartre and Simone agreed to be each other’s “necessary love”—the unshakable foundation of their lives—while remaining free to pursue “contingent loves” with others. In essence, their relationship rejected exclusivity and embraced radical freedom.
This pact was not without its challenges. Sartre, famously charming and flirtatious, had numerous affairs, often with his students. Simone, too, engaged in relationships with both men and women, some of which stirred controversy, particularly in the context of power dynamics. Despite these entanglements, they always returned to each other, their bond rooted in mutual respect and shared intellectual pursuits.
In Les Amants du Flore (2006), a French film that dramatizes their early years, the complexities of their pact come to life. The movie, named after the iconic Café de Flore where they spent countless hours discussing philosophy and politics, captures the intensity of their connection and their defiance of societal norms. It’s a window into their world—a world where love was reimagined as a partnership of freedom and authenticity.

It’s quite an undertaking to start loving somebody. You have to have energy, generosity, blindness. There is even a moment right at the start where you have to jump across an abyss: if you think about it you don’t do it.
Jean-Paul Sartre
The City of Light: Paris as Their Playground
Paris was more than just a backdrop for Jean-Paul Sartre and Simone de Beauvoir—it was their muse, their canvas, and their stage. In the 1930s and 1940s, as Europe grappled with the rise of fascism and the devastation of World War II, Paris remained a hub of intellectual and artistic energy. It was in the smoky cafés of the Left Bank, like Café de Flore and Les Deux Magots, that Sartre and Simone held court with other luminaries of the time.
Their social circle included luminaries like Albert Camus, Pablo Picasso, and Juliette Gréco. These gatherings weren’t just friendly chats—they were fiery debates about freedom, morality, and the future of humanity. Sartre and Simone were at the center of it all, their presence magnetic, their ideas provocative.
During the Nazi occupation of Paris, Sartre and Simone remained in the city, participating in the intellectual resistance. Sartre’s play The Flies (1943) and his philosophical work Being and Nothingness (1943) were shaped by the existential questions of freedom and responsibility that arose in wartime. Meanwhile, Simone de Beauvoir’s wartime diaries offer a vivid account of life under occupation, blending personal reflection with political insight.

She was ready to deny the existence of space and time rather than admit that love might not be eternal.
Simone de Beauvoir
Existentialism: Sartre’s Philosophy of Freedom
If Sartre’s name is synonymous with anything, it’s existentialism—a philosophy that grapples with existence, freedom, and the meaning of life. At its core, existentialism posits that life has no predetermined meaning; instead, individuals must create their own purpose through choices and actions.
Sartre’s magnum opus, Being and Nothingness (1943), is a dense exploration of these themes. He argued that humans are “condemned to be free,” meaning we are responsible for shaping our own lives, even in the face of uncertainty and anxiety. This radical emphasis on freedom resonated deeply in postwar Europe, where people were grappling with the horrors of war and the question of how to rebuild.
But Sartre was not content to confine his philosophy to academia. He believed in the philosopher’s responsibility to engage with the world, writing plays, novels, and essays that brought his ideas to life. His works, including Nausea and No Exit, remain some of the most influential texts in modern philosophy.
Man is condemned to be free; because once thrown into the world, he is responsible for everything he does. It is up to you to give [life] a meaning.
Jean-Paul Sartre
The Second Sex: Simone de Beauvoir’s Groundbreaking Feminism
While Sartre was advancing existentialism, Simone de Beauvoir was breaking new ground in feminist philosophy. Her 1949 masterpiece, The Second Sex, remains one of the most important works in the history of feminism. In it, she examines the ways in which women have been historically oppressed and challenges the social constructs that define gender roles.
Read more about Simone de Beauvoir here
The book’s most famous line, “One is not born, but rather becomes, a woman,” encapsulates Simone’s argument that femininity is a social construct rather than a biological destiny. By exposing the ways in which society limits women’s freedom, Simone laid the groundwork for the second-wave feminist movement of the 1960s and 1970s.
Like Sartre, Simone de Beauvoir was not content to merely theorize. She wrote novels, essays, and memoirs that explored the lived experiences of women, blending personal reflection with political critique. Her work remains a touchstone for anyone grappling with questions of gender, identity, and freedom.

Two separate beings, in different circumstances, face to face in freedom and seeking justification of their existence through one another, will always live an adventure full of risk and promise.
Simone de Beauvoir
Challenges and Controversies: The Price of Freedom
For all their brilliance, Sartre and Simone de Beauvoir were not without flaws. Their open relationship, while groundbreaking, was also fraught with difficulties. Sartre’s affairs often caused tension, and Simone’s relationships with young women—particularly her former students—have been scrutinized in recent years for their power dynamics.
Their political commitments also drew criticism. Sartre’s alignment with Marxism and his praise for controversial figures like Fidel Castro and Mao Zedong have been the subject of intense debate. Beauvoir, too, faced backlash for her unapologetic views on abortion, sexuality, and freedom.
Yet, it’s precisely these complexities that make Jean-Paul Sartre and Simone de Beauvoir such compelling figures. They were unafraid to challenge themselves and the world around them, even when it meant risking controversy or alienation.
A Legacy of Love and Ideas
When Sartre passed away in 1980, Simone de Beauvoir was devastated. She chronicled his final days in her memoir Adieux: A Farewell to Sartre, a poignant tribute to their shared life and love. Simone herself died six years later, and they are buried side by side in Montparnasse Cemetery—a fitting end for two people whose lives were so intertwined.
Their legacy endures not just in their writings but in the way they lived their lives. Jean-Paul Sartre and Simone de Beauvoir showed that love and freedom are not mutually exclusive, that relationships can be partnerships of equals, and that ideas have the power to change the world.
Les Amants du Flore: Bringing Their Story to Life
For those who want to delve deeper into the lives of Jean-Paul Sartre and Simone de Beauvoir, the film Les Amants du Flore (2006) is a must-watch. Starring Anna Mouglalis as Beauvoir and Lorànt Deutsch as Sartre, the film captures the intensity of their early years, their intellectual camaraderie, and the formation of their famous pact. Set against the backdrop of Paris’s vibrant intellectual scene, it’s a visually stunning and emotionally resonant portrayal of two of the 20th century’s most iconic figures.

Change your life today. Don’t gamble on the future, act now, without delay.
Simone de Beauvoir
A Love That Defied Convention
Jean-Paul Sartre and Simone de Beauvoir were far from perfect, but perhaps that’s what makes their story so human. They loved deeply, thought fiercely, and lived authentically, refusing to conform to societal expectations. Their relationship was not without pain, but it was also filled with passion, creativity, and a shared commitment to freedom.
In the end, Jean-Paul Sartre and Simone de Beauvoir’s lives remind us that love is not a cage—it’s a choice. And freedom, as challenging as it may be, is the ultimate expression of what it means to be human. Together, they proved that love and philosophy, far from being opposites, can be two sides of the same coin—a coin that continues to inspire and challenge us today.