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Western Moral Philosophy
A chronological introduction to thinkers and traditions in Western moral philosophy.
Listening order
Begin with the philosophy. Continue with the Deep Dives.
The original Western Philosophy for Beginners series introduces the thinkers and central arguments. The later Western Moral Philosophy series continues with longer, more detailed episodes.
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Foundations
Presocratic Greece
Classical Greece
Socrates — The Examined Life
An exploration of Socrates’s account of virtue, knowledge, courage, justice, and piety, together with the questioning method through which he tested moral claims. The work follows his influence from ancient Athens into later philosophy and considers both the continuing force and the limitations of his ethical thought.
Plato
Plato, an Athenian philosopher from the classical era, is a foundational figure in Western moral philosophy. He was a student of Socrates and later became the teacher of Aristotle, and his work laid the groundwork for many philosophical…
Aristotle
Hellenistic Greece
Epicurus
Epicurus, a prominent figure in the Hellenistic period, is often remembered for his teachings on happiness and the nature of pleasure, grounded in an ethical philosophy that emphasizes personal well-being and the pursuit of tranquility. His ideas continue…
Roman Stoicism
Epictetus — The Discourses
Marcus Aurelius — Emperor & Philosopher
Marcus Aurelius, both an emperor of Rome and a philosopher, is a figure who embodies the intersection of power and introspection. Living in the second century CE, during a time when the Roman Empire reached its zenith, he…
Late Antiquity
Hypatia — The Philosopher of Alexandria
Medieval
Boethius
Aquinas — Faith and Reason
Dante — Divine Comedy & Beyond
Renaissance
Erasmus — Humanism & Reform
Erasmus of Rotterdam was a prominent figure of the Renaissance, celebrated for his contributions to humanism and the early Reformation. His work can be viewed as a bridge between the intellectual revival of antiquity and the reformative movements…
Niccolò Machiavelli — The Morality of Power
Michel de Montaigne
Michel de Montaigne, a prominent figure of the French Renaissance, is best known for his innovative contributions to moral philosophy through his work, the "Essais," which offers deeply personal reflections on human nature, ethics, and the complexities of…
Enlightenment
Thomas Hobbes
Thomas Hobbes, an English philosopher active during the tumultuous 17th century, is a pivotal figure in the history of moral philosophy and political thought. He is best known for his groundbreaking works, particularly "Leviathan," published in 1651, in…
René Descartes
René Descartes, a French philosopher and mathematician of the early 17th century, is often referred to as the father of modern Western philosophy. His influence extends beyond the realm of abstract thought; it has shaped various dimensions of…
John Locke
John Locke was a pivotal figure in the development of modern Western philosophy during the late 17th century, a time marked by intellectual upheaval and the growing importance of individual rights and reason. Renowned for his contributions to…
David Hume
David Hume, an 18th-century Scottish philosopher, is a towering figure in Western moral philosophy, known for his profound inquiries into human nature, knowledge, and ethics. Coming from the Enlightenment period, Hume lived in a time brimming with ideas…
Immanuel Kant
Immanuel Kant was an 18th-century German philosopher whose ideas have profoundly influenced the landscape of moral philosophy. His work represents a crucial moment in the Enlightenment, where reason began to take precedence over tradition, and he sought to…
Modern
Søren Kierkegaard
Friedrich Nietzsche
Friedrich Nietzsche was a German philosopher active in the late 19th century, whose works continue to provoke thought and debate in moral philosophy. Known for his critique of traditional moral values and his exploration of existential themes, Nietzsche's…
Contemporary
Martin Heidegger
Martin Heidegger, a central figure in 20th-century philosophy, is perhaps best known for his investigation into the nature of being and existence. His work, profoundly rooted in the existentialist tradition, aims to explore what it means to be…
Hannah Arendt
Hannah Arendt was a prominent political theorist and philosopher of the 20th century, known for her profound examinations of power, totalitarianism, and the nature of evil. Emerging from the tumultuous contexts of Nazi Germany and the aftermath of…
Simone de Beauvoir
Simone de Beauvoir is a pivotal figure in philosophy, particularly known for her profound contributions to existentialism and feminist thought. Active in the mid-twentieth century, she is best recognized for her seminal work "The Second Sex," which has…
Jean-Paul Sartre
Jean-Paul Sartre was a profound French philosopher, playwright, novelist, and political activist who lived from 1905 to 1980. Emerging as a key figure in the existentialist movement during the mid-20th century, Sartre sought to explore the complexities of…
Albert Camus
Albert Camus is a towering figure in existentialist thought, often celebrated for his exploration of the human experience amidst life's absurdities. Emerging from the tumultuous backdrop of 20th-century Europe, particularly during and after World War II, Camus addressed…
Michel Foucault
Michel Foucault is a pivotal figure in contemporary philosophy and social theory, whose work emerged in the mid-20th century, particularly in the context of post-World War II Europe. Known for his explorations of power, knowledge, and discourse, Foucault’s…
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Deep Dives
Presocratic Greece
Deep Dive — Parmenides of Elea
Parmenides of Elea was a quintessential figure in early Greek philosophy, famed not only for his metaphysical ideas but also for laying foundational concepts that would ripple through the history of Western thought. He lived in the fifth…
Deep Dive — Thales of Miletus (624–546 BCE): The First Philosopher
On a hot Ionian afternoon sometime in the sixth century BCE, an aging man stands on the harbor wall of Miletus watching the sea. Ships creak at their moorings, merchants shout in several languages, and the air smells of tar, wool, and salt.
Deep Dive — Zeno of Elea
Zeno of Elea, a prominent figure from the fifth century BCE, is best known for his paradoxes and his foundational contributions to the development of metaphysics and epistemology. As a member of the Eleatic school, Zeno's work constitutes…
Deep Dive — Empedocles
Empedocles, a pre-Socratic philosopher from the 5th century BCE, is often remembered for his dualistic cosmology and unique view of the nature of reality. His ideas laid foundational stones for later philosophical inquiries, intertwining natural philosophy with ethics…
Deep Dive — Anaxagoras
Anaxagoras was a pre-Socratic philosopher from ancient Greece, often recognized for his innovative ideas in cosmology, metaphysics, and ethics. Active in the fifth century BCE, he brought forth profound questions about the nature of existence and the role…
Deep Dive — Democritus: The Laughing Philosopher
Democritus, often dubbed the "Laughing Philosopher," hails from ancient Greece, specifically from Abdera, where he flourished around the 5th century BCE. This title points to both his philosophical approach and his wide-reaching influence in various domains of thought,…
Hellenistic Greece
Deep Dive — Zeno of Citium
Zeno of Citium, a Greek philosopher who lived in the early 3rd century BCE, is best known as the founder of Stoicism. Emerging from the cosmopolitan environment of Athens, Zeno's ideas were revolutionary in their approach to ethics…
Deep Dive — Cleanthes of Assos (330–230 BCE)
Cleanthes of Assos, who lived from 330 to 230 BCE, was a pivotal figure in the development of Stoic philosophy, succeeding Zeno of Citium as its leader and contributing significantly to its ethical framework. His work emerged during…
Classical Greece
Deep Dive — Diogenes of Sinope
Diogenes of Sinope, a central figure in the philosophical school of Cynicism, emerged in the 4th century BCE and is remembered for his unconventional lifestyle and astute critiques of societal norms. While we explored the outlines of his…
Medieval
Deep Dive — Ibn Sina – Avicenna (980–1037)
Ibn Sina, more commonly known as Avicenna, is a towering figure in medieval philosophy who lived from 980 to 1037 in Persia, now modern-day Iran. He is often celebrated for his contributions to various fields, including medicine, astronomy,…
Deep Dive — Augustine of Hippo (354–430 AD)
Augustine of Hippo, who lived from 354 to 430 AD, is not just a towering figure of early Christianity; he stands as a significant voice in Western moral philosophy. His thoughts and writings emerged during a time of…
William of Ockham
In the early fourteenth century, when Europe’s universities were packed with monks and clerics arguing about God, logic, and the structure of reality, a quiet Franciscan friar from a small English village began to do something dangerous: he started cutting away at the grand systems of his time. It was not a physical blade he…
Maimonides — Jewish Theology
Picture Córdoba again, the same city where Averroes walked, but in an earlier, more fragile moment. It is the middle of the twelfth century.
Deep Dive — Thomas Aquinas: Faith and Reason
Thomas Aquinas, a towering figure of the 13th century, is often recognized for his efforts to synthesize faith and reason within the framework of Christian theology. Operating in a time when the interplay between religious belief and philosophical inquiry was increasingly contentious, Aquinas sought to offer a comprehensive account that upheld both the truths of…
Roman Philosophy
Titus Lucretius Carus 99—c. 55 B.C.E.
On a warm afternoon in the late Roman Republic, in a modest house somewhere near Rome, a man sits at a wooden table, writing verse about atoms. Outside, the streets are noisy with politics: senators scheming in marble…
Sextus Empiricus
In a quiet corner of the Roman Empire sometime in the late second or early third century of our era, a physician sits at a wooden table, scratching notes onto a wax tablet by lamplight. Around him the house is dark; outside, the city is sleeping.
Enlightenment
Gottfried Wilhelm Leibniz’s
Imagine a boy in seventeenth-century Leipzig, wandering alone through a university library that is much too large for him. The year is somewhere in the 1650s. Outside, Europe is still reeling from the Thirty Years’ War: cities scarred,…
Deep Dive — Jeremy Bentham: Utilitarianism
Jeremy Bentham is one of those figures whose name can feel like a label—“utilitarian,” “reformer,” “the greatest happiness principle”—until you pause and remember that a label is never the person. Bentham lived a whole life inside an age that was remaking itself with startling speed.
Modern
Karl Marx
In the middle of the nineteenth century, when factory chimneys were blackening the skies of Europe and trains were stitching cities together with steel, a bearded émigré in a London reading room was trying to understand why so much new wealth seemed to bring so much new misery. Outside, the streets were full of contrasts:…
Deep Dive — John Stuart Mill: Collectivism vs. Individualism
John Stuart Mill is one of those philosophers who never really becomes “historical,” because the world keeps reproducing the dilemmas he cared about in new forms. How should we balance individual freedom against collective well-being?
Contemporary
John Rawls (1921–2002)
In the late 1930s, an anxious teenager sits in a boarding school in Connecticut, surrounded by the trappings of privilege he doesn’t quite know what to do with. The school is Kent, Episcopalian and elite, a feeder into the American establishment.