All Thinkers

Socrates

Socrates (c. 470–399 BCE) was a philosopher in ancient Athens, Greece. He wrote nothing himself — everything we know about him comes from the writings of his students, especially Plato. He spent his life in the streets and public spaces of Athens, asking people questions about the things they claimed to know — justice, courage, virtue, knowledge. He was famously described as the wisest man in Athens, but said this could only be true because he alone knew that he knew nothing. In 399 BCE he was put on trial by the Athenian government, charged with corrupting the youth and not respecting the gods. He was found guilty and sentenced to death by drinking poison. He refused to escape when he had the chance, saying a philosopher must obey the law even when it is unjust.

Origin
Athens, Ancient Greece
Lifespan
c. 470–399 BCE
Era
ancient
Subjects
Philosophy Education Ethics Politics History
Why They Matter

Socrates matters because he invented — or at least perfected — a way of thinking together that is still the most powerful educational tool we have: the question. He believed that genuine knowledge cannot simply be handed from one person to another. It has to be discovered — through honest conversation, through having your assumptions challenged, through following an argument wherever it leads even when it is uncomfortable. He showed that most people who are confident they know something actually hold a confused or contradictory belief — and that recognising this confusion is the beginning of real understanding. His method, his courage in following arguments honestly, and his willingness to die rather than stop asking questions make him one of the most important figures in the history of education and philosophy.

Key Ideas
1
The Socratic method — learning through questions
Socrates did not give lectures or tell people what to think. Instead, he asked questions. He would begin by asking someone to define something they were confident they understood — courage, justice, friendship, beauty — and then ask follow-up questions that revealed the definition was not as clear as the person had assumed. Through a long chain of questions and answers, both Socrates and his conversation partner would arrive at a deeper and more honest understanding — or at least at an honest recognition of how much they did not understand. This method of learning through guided questioning is called the Socratic method, and it is still used in schools and law faculties around the world.
2
I know that I know nothing
Socrates is famous for saying that he was the wisest person in Athens only because he alone knew that he knew nothing. This sounds strange — how can knowing nothing make you wise? But his point was important: most people walk around with confident beliefs that they have never examined. They think they know what justice is, what courage is, what a good life looks like — but when Socrates asked them to explain these things carefully, their answers fell apart. Socrates at least knew his own ignorance. This honest awareness of the limits of your own knowledge is called epistemic humility — and Socrates believed it was the essential starting point for all genuine learning.
3
The unexamined life is not worth living
At his trial, when Socrates was given the chance to stop his philosophical questioning in exchange for his life, he refused — and said that a life without self-examination was not worth living. By this he meant that living well requires constantly asking yourself what you believe, why you believe it, and whether it is true. Most people go through life absorbing the beliefs of their community without ever questioning them. Socrates thought this was a kind of sleep — and that waking up, however uncomfortable, was the only way to live as a fully conscious human being.
Key Quotations
"I know that I know nothing."
— Attributed to Socrates via Plato, Apology
This is the most famous thing Socrates ever said — and it is often misunderstood. He was not saying he was stupid or that knowledge is impossible. He was saying that honest awareness of the limits of your own understanding is the essential starting point for genuine learning. People who are confident they already know something do not look carefully. People who know they do not fully understand something keep asking questions. Socrates believed that this second group learns far more. The willingness to say I do not know is one of the most intellectually courageous things a person can do.
"The unexamined life is not worth living."
— Plato, Apology
Socrates said this at his trial when the jury offered to spare his life if he stopped philosophising. He refused. He meant that a life in which you never question your own beliefs, values, and assumptions is not truly lived — it is simply endured. Examination — honest, uncomfortable, ongoing questioning of what you think you know — is what makes a life genuinely human. This connects directly to metacognition: the habit of reflecting on your own thinking, not just acting on automatic beliefs.
"Education is the kindling of a flame, not the filling of a vessel."
— Attributed to Plutarch, describing Socrates' view
This quotation — often attributed to Socrates, though it comes from Plutarch describing his ideas — captures the heart of the Socratic approach to education. A vessel that is filled is passive — it simply receives. A flame that is kindled is active — it generates its own light and heat. Socrates believed that genuine learning is not passive reception of information but the activation of the learner's own capacity for thought. This is almost exactly Freire's critique of the banking model of education, made two and a half thousand years later.
Using This Thinker in the Classroom
General — any subject When introducing the idea that asking questions is more valuable than having answers
How to introduce
Ask students: What do you think is more important — knowing the right answer, or asking the right question? Take a few responses, then introduce Socrates: he was one of the most famous thinkers in history, and his main skill was not knowing things — it was asking questions. He walked around Athens asking people to explain things they were confident they understood, and almost always showed them that their understanding was more confused than they thought. Ask: Has anyone ever asked you a question that made you realise you did not understand something as well as you thought? How did that feel? Was it useful?
Philosophy / Critical Thinking When teaching students to question assumptions and think more carefully
How to introduce
Run a short Socratic dialogue with the class. Choose a concept students feel confident about — fairness, friendship, a good teacher, bravery — and ask them to define it. Then ask follow-up questions that reveal the edges and complications: Is it fair to give everyone the same thing, or to give people what they need? Can someone be brave and do something terrible? Accept all answers without judgement, and keep asking: does that always work? Can you think of an exception? After ten minutes, ask: did your definition change? What did you learn by trying to answer carefully? Introduce Socrates: this is exactly what he did every day in Athens.
Further Reading

The best starting point is Plato's Apology — Socrates' defence speech at his trial. It is short, personal, and entirely accessible. Many free translations are available online through Project Gutenberg and the Internet Classics Archive. The BBC's In Our Time podcast has several episodes on Socrates and on Plato that provide excellent 45-minute introductions. Thomas C. Brickhouse and Nicholas D. Smith's Socrates on Trial (1989) gives a clear account of the historical context of his death.

Key Ideas
1
Virtue is knowledge — wrongdoing comes from ignorance
One of Socrates' most distinctive and controversial ideas was that no one does wrong willingly. He argued that if a person truly understood what was good — really understood it, not just intellectually but deeply — they would always choose it. When people do bad things, it is because they are confused about what is truly good for them. They think that stealing or lying or treating others badly will make them happy, but they are wrong — and their wrongdoing is a kind of mistake, a failure of knowledge. This idea — that virtue and knowledge are the same thing — has been debated by philosophers ever since. Aristotle disagreed, arguing that people can know what is right and still choose to do wrong.
2
The midwife — Socrates as a teacher who draws out rather than fills in
Socrates described his method using the image of a midwife. His mother was a midwife who helped women give birth to children they were already carrying. Socrates said he did something similar with ideas: he helped people give birth to knowledge they already had inside them, but had not yet brought to light. This image — sometimes called maieutics — captures something important about his teaching philosophy. He did not believe knowledge could be poured into an empty vessel. He believed that understanding had to come from within, through the learner's own effort, and that the teacher's job was to create the conditions for that discovery. This connects directly to Freire's critique of the banking model of education.
3
The cave — reality, appearance, and the philosopher's responsibility
In Plato's Republic, Socrates tells a famous story — the Allegory of the Cave. Imagine prisoners chained in a cave since birth, facing a wall. Behind them is a fire, and people walk past carrying objects whose shadows are projected on the wall. The prisoners have only ever seen shadows, so they believe the shadows are reality. One prisoner escapes, comes out into sunlight, and eventually sees the real world. At first the light is painful and blinding. But gradually they understand that what they saw in the cave were only shadows. The question Socrates then asks is: what should this person do? Go back and tell the others? Or stay in the light? He argued that the philosopher — the person who has seen more clearly — has a responsibility to return, even though the others may not believe them and may even be hostile.
Key Quotations
"Wonder is the beginning of wisdom."
— Attributed to Socrates via Plato, Theaetetus
Socrates believed that philosophy — and all genuine learning — begins not with certainty but with wonder. When something surprises you, confuses you, or strikes you as strange, that is the moment when real thinking can begin. People who are never surprised, never puzzled, never uncertain are not wise — they are simply incurious. The willingness to be genuinely surprised by the world and to sit with that surprise long enough to examine it is, for Socrates, what separates a thinking person from one who simply moves through life on habit and assumption.
"Be as you wish to seem."
— Attributed to Socrates via Xenophon, Memorabilia
This deceptively simple statement is one of Socrates' most practical moral insights. Most people, he observed, are very concerned with how they appear to others — honest, generous, courageous, wise. But rather than working to develop those qualities genuinely, they work on managing their appearance. Socrates said: instead of trying to seem a certain way, actually become that way. The effort to appear good without being good is both morally dishonest and ultimately futile — people who know you well will see through it. The only reliable way to seem good is to actually be good.
"He who is not contented with what he has, would not be contented with what he would like to have."
— Attributed to Socrates
Socrates lived simply and famously said he had no need of the things most Athenians spent their lives pursuing — wealth, status, political power. This quotation captures his view that contentment is a quality of mind, not a consequence of circumstances. A person who is always looking for the next acquisition, the next achievement, the next improvement in their situation will find that when they get what they wanted, they simply want something else. Genuine satisfaction requires a different kind of relationship with what you already have. This connects to wellbeing research that shows the hedonic treadmill — the tendency for aspirations to rise as quickly as circumstances improve.
Using This Thinker in the Classroom
Metacognition / Learning to learn When asking students to reflect on what they genuinely understand versus what they only think they understand
How to introduce
Introduce Socrates' insight that the beginning of wisdom is knowing what you do not know. Ask students to choose a topic they have recently studied and rate their understanding from one to ten. Then ask them to explain the topic to a partner using only simple words — no jargon. After the explanation, ask: did your rating change? Did you discover things you could not explain as clearly as you thought? Connect to the Feynman technique and retrieval practice: the act of trying to explain something reveals the gaps that re-reading conceals. Socrates discovered this method 2,500 years before cognitive scientists confirmed it.
Ethics / Personal Development When discussing how to live well and what matters most
How to introduce
Present Socrates' challenge: most people spend their lives pursuing wealth, status, and the approval of others — but Socrates thought these were the wrong goals, and that pursuing them actually made people less happy and less good. He thought the only thing truly worth pursuing was understanding and virtue. Ask: Do you agree that people often pursue things that do not actually make them happy? What do you think people genuinely need to live well? What would Socrates say about the goals that are promoted by advertising, social media, and popular culture?
History / Social Studies When studying ancient Athens, democracy, or the relationship between the individual and the state
How to introduce
Introduce the paradox of Socrates' death: he was condemned by the democratic government of Athens for asking too many questions. Ask: Can democracy silence people who ask inconvenient questions? Is questioning the authorities compatible with being a good citizen — or is it a threat? Socrates thought questioning was the highest form of civic duty. Athens thought it was a crime. Who was right? Connect to contemporary examples: in which countries today are people punished for asking critical questions of their governments?
Further Reading

Plato's early dialogues are the most important sources — particularly Euthyphro (on piety and moral authority), Meno (on whether virtue can be taught), Crito (on the obligation to obey the law), and Phaedo (on the soul and death). All are freely available online. Xenophon's Memorabilia gives a very different, more practical portrait of Socrates and is worth reading alongside Plato for comparison. C.C.W.

Taylor's Socrates

A Very Short Introduction (Oxford) is the most accessible scholarly introduction.

Gregory Vlastos's Socrates

Ironist and Moral Philosopher (1991) is the most influential modern scholarly treatment.

Key Ideas
1
Civil disobedience and the limits of obedience to law
Socrates' relationship with the law is one of the most complex and debated aspects of his thought. He spent his life questioning the authorities of Athens and was eventually condemned by its democratic government. Yet when his friends arranged his escape from prison, he refused to go. In Plato's Crito, he argues that he has an obligation to obey the law — even an unjust verdict — because he has lived all his life within Athenian society and implicitly agreed to its rules. This is one of the earliest philosophical discussions of the relationship between the individual and the state, between conscience and law. Thinkers from Thomas Aquinas to Martin Luther King have engaged with it. It raises questions that have no easy answers: when is it right to disobey the law? Does participating in a society create obligations even to unjust laws?
2
The problem of Socrates — what do we actually know about him?
Socrates wrote nothing. Everything we know about him comes through the writings of others — mainly Plato, but also Xenophon, Aristophanes, and Aristotle. The problem is that these sources give us very different pictures of Socrates. Plato's Socrates is a profound metaphysician who believes in the immortality of the soul and the theory of Forms. Xenophon's Socrates is a more practical, conventional moralist. Aristophanes satirised him as a comic buffoon who taught young men to cheat their fathers. Scholars debate which, if any, of these portraits gives us the real Socrates — a problem known as the Socratic problem. This uncertainty is not just a historical curiosity: it raises important questions about how we know anything about historical figures, how texts shape our understanding of thinkers, and what it means to attribute ideas to a person.
Key Quotations
"No man has the right to be an amateur in the matter of physical training. It is a shame for a man to grow old without seeing the beauty and strength of which his body is capable."
— Attributed to Socrates via Xenophon, Memorabilia
This quotation is a useful counterpoint to the image of Socrates as a purely abstract thinker. He believed that care for the body was part of a fully human life — not instead of care for the soul but alongside it. Xenophon presents a Socrates who valued physical discipline and practical virtue alongside philosophical questioning. This more complete picture — Socrates as someone concerned with how to live well in all its dimensions, not only with abstract argument — is worth recovering. It also shows how different sources give us very different portraits of the same thinker.
"From the deepest desires often come the deadliest hate."
— Attributed to Socrates
This psychological observation points to something Socrates explored in several dialogues: the way that frustrated desire — wanting something intensely and not getting it — can transform into resentment and hatred. It connects to his broader argument that most human unhappiness and wrongdoing comes from confusion about what is truly good. People who pursue things that do not actually bring genuine satisfaction — wealth, status, the defeat of enemies — often find that the pursuit itself generates suffering. This insight anticipates later psychological and philosophical work on desire, frustration, and the roots of destructive behaviour.
Using This Thinker in the Classroom
Education Theory / Teacher Development When teachers are reflecting on the difference between transmitting information and facilitating understanding
How to introduce
Invite teachers to compare the midwife image — Socrates helping students give birth to understanding they already carry — with the banking model that Freire criticised. Ask: Which model better describes your own teaching? Are there moments in your classroom when you are filling vessels rather than kindling flames? What would it look like to teach a topic entirely through questions rather than through explanation? What would be gained and what would be lost? Socrates' challenge to teachers is simple and uncomfortable: the most important thing is not what you know, but whether you can help your students think.
Politics / Civic Education When discussing civil disobedience, the rule of law, and individual conscience
How to introduce
Present the central tension of Socrates' death: he was convicted unjustly, could have escaped, but chose to stay and drink the poison — because he believed that living within a society creates obligations to its laws, even unjust ones. Ask: Was he right? Is there a difference between a law being unjust and a verdict being unjust? When is it right to disobey the law? Connect to later thinkers: Thoreau, Gandhi, and Martin Luther King all argued for civil disobedience — but they also accepted the legal consequences of their actions, in a way that echoes Socrates. What does this tell us about the relationship between moral conscience and legal obligation?
Common Misconceptions
Common misconception

Socrates claimed to know nothing because he was modest or pretending.

What to teach instead

Socrates' claim to know nothing was not false modesty or a rhetorical trick. It was a genuine philosophical position — that honest awareness of the limits of your own knowledge is epistemically and morally superior to false confidence. He demonstrated this position throughout his life by relentlessly questioning his own assumptions as well as other people's. His trial and death showed that his commitment to intellectual honesty was not a performance — he chose death over the comfortable option of simply stopping his questioning.

Common misconception

The Socratic method means arguing until you win.

What to teach instead

The Socratic method is not a debating technique designed to defeat an opponent. It is a collaborative method of inquiry aimed at reaching greater clarity and understanding — for both participants. Socrates was not trying to humiliate the people he questioned. He was genuinely trying to think through difficult questions together with them. When used well, the Socratic method produces shared understanding, not winners and losers. When it is used as a rhetorical weapon to trap or embarrass people, it has been distorted from its original purpose.

Common misconception

We know what Socrates really thought because Plato wrote it all down.

What to teach instead

Plato's dialogues give us one portrait of Socrates — probably the most philosophically sophisticated one — but it is Plato's portrait, not a transcript. Scholars believe that Plato's earlier dialogues are closer to the historical Socrates, while the later dialogues increasingly express Plato's own views using Socrates as a mouthpiece. Xenophon, Aristophanes, and Aristotle give us different and sometimes contradictory pictures. We cannot be certain which, if any, gives us the real Socrates. This uncertainty is important: it teaches us to be careful about attributing ideas to historical figures and to ask where our knowledge of them comes from.

Common misconception

Socrates was convicted because Athens was anti-intellectual.

What to teach instead

The historical reality of Socrates' trial is more complicated. Athens in 399 BCE had recently suffered a traumatic defeat in the Peloponnesian War and a brief but bloody period of oligarchic tyranny. Some of Socrates' close associates — including Alcibiades and Critias — had been involved in these disasters. The charges of corrupting the youth and impiety may have been partly political, reflecting anxiety about his influence on young men who had done real harm to the city. Athens was in many ways the most intellectually open society of its time. Socrates' death was a complex political event, not simply the story of a city that hated ideas.

Intellectual Connections
Influenced By
Anaxagoras
Anaxagoras was a philosopher who argued that mind or reason — nous — was the fundamental organising principle of the universe. His ideas influenced the young Socrates, though Socrates was later disappointed that Anaxagoras did not follow his own principle through to explain why things happen the way they do in terms of what is best rather than merely mechanical causes.
Influenced By
The Sophists
The Sophists were travelling teachers in Athens who claimed to teach rhetoric, virtue, and success for a fee. Socrates defined himself largely in opposition to them — he charged no fees, claimed no expertise, and sought truth rather than persuasion. But he also absorbed many of their questions and their focus on human affairs rather than cosmology. His dialogues are partly a sustained argument about the difference between genuine philosophy and sophisticated rhetoric.
Influenced
Plato
Plato was Socrates' most important student and the primary source through which Socrates' ideas have survived. Plato built on Socrates' method and his ethical questions to develop one of the most comprehensive philosophical systems in history — including the theory of Forms, the ideal state, and the immortality of the soul. The relationship between Socrates' ideas and Plato's own is one of the central questions in the history of philosophy.
Influenced
Aristotle
Aristotle studied under Plato and engaged deeply with the Socratic tradition, though he disagreed with some of its central claims — particularly Socrates' argument that virtue is knowledge and that wrongdoing is always a form of ignorance. Aristotle argued that people can know what is right and still choose to do wrong — what he called akrasia or weakness of will. This disagreement remains one of the most important debates in moral philosophy.
Influenced
The Stoics
The Stoic philosophers — including Epictetus, Marcus Aurelius, and Seneca — drew deeply on Socrates as a model of how to live. His indifference to wealth and status, his commitment to virtue as the only true good, his equanimity in the face of death — all of these became central Stoic ideals. Socrates' death in particular was treated by Stoics as the supreme example of dying well.
Influenced
Paulo Freire
Freire's critique of the banking model of education — in which teachers deposit knowledge into passive students — and his alternative of dialogue-based learning connects directly to the Socratic method. Freire explicitly invoked dialogue and questioning as the foundation of genuine education. The midwife image and the banking image are almost mirror opposites — and Freire's work can be read as a 20th-century political elaboration of a pedagogical insight Socrates had 2,400 years earlier.
Influenced
John Dewey
Dewey's progressive education philosophy — that students learn through active inquiry and genuine questions rather than passive reception — is deeply Socratic in spirit. Dewey argued that education should begin with genuine problems and genuine puzzlement, not with pre-packaged answers. His influence on modern teaching methods carries the Socratic tradition into 20th-century educational practice.
Further Reading

For the Socratic problem — what we can know about the historical Socrates — Gregory Vlastos's work is essential, particularly the essay The Socratic Elenchus in Oxford Studies in Ancient Philosophy. Plato's Republic, Symposium, and Phaedrus show the later Platonic Socrates at his most developed and metaphysically ambitious. For the relationship between Socrates and Athenian politics: I.F. Stone's controversial The Trial of Socrates (1988) argues that Socrates was genuinely anti-democratic and that Athens had legitimate reasons to fear him — a useful provocation.

For the Stoic reception of Socrates

A.A.

Long's Epictetus

A Stoic and Socratic Guide to Life. All of Plato's dialogues are freely available at the Perseus Digital Library at Tufts University.