Why Was Socrates Executed? The Philosopher Who Wrote Nothing and Asked Everything

Socrates was an Athenian philosopher who lived from about 470 to 399 BC and is remembered as a founder of Western philosophy, even though he never wrote a single book. In 399 BC a jury of Athenian citizens found him guilty of impiety and of corrupting the young, and he was put to death by drinking hemlock. The short answer to "why was he executed?" is those two charges. The longer answer is that he spent decades asking powerful people questions they could not answer, in a city that had just lost a war and was looking for someone to blame.

This article walks through his life, his method, and his trial, and ends with a few lines from Plato's account of him that are worth learning by heart in any language.

A stonemason's son from Alopece

Socrates was born in the Athenian deme of Alopece. His father, Sophroniscus, was a stoneworker, and his mother, Phaenarete, was a midwife. He would later joke that he practised his mother's trade: he did not give birth to ideas himself, he said, but helped other people deliver theirs.

He was not a recluse. He served as a hoplite, a heavily armed foot soldier, in the Peloponnesian War between Athens and Sparta. According to Plato, he fought at Potidaea, took part in the retreat from Delium, and served at Amphipolis in 422 BC. His companions remembered him as physically tough, indifferent to cold, and calm under pressure.

He married Xanthippe when he was already in his fifties, and they had three sons. Later writers turned Xanthippe into a stock figure of the bad-tempered wife, but that picture comes from anecdotes, not from anything we can check.

The problem: everything we know is second-hand

Socrates left no writings. Everything we know comes from other people, and they do not agree. Scholars call this the "Socratic problem."

• Plato, his most famous student, made Socrates the main speaker of dozens of dialogues. Plato was a brilliant writer, which is exactly the difficulty: it is often impossible to tell where Socrates ends and Plato begins.
• Xenophon, another student, wrote a more practical, down-to-earth Socrates who gives sensible advice.
• Aristophanes, a comic playwright, mocked him in The Clouds as a fraud who hangs in a basket and teaches clever arguments for money.
• Aristotle was born after Socrates died, so he reports what he heard rather than what he saw.

So when people say "Socrates believed…", they usually mean "the Socrates of Plato's early dialogues believed…". That is the figure most of this article describes.

What he actually did all day: asking questions

Socrates did not run a school or charge fees. He walked around Athens, especially the marketplace, and talked to people who were sure they understood something important: a general who knew what courage was, a priest who knew what piety was, a politician who knew what justice was.

His preferred tool was a style of questioning that scholars call the elenchus, usually translated as "refutation" or "cross-examination." It works roughly like this:

1. Ask someone to define a big idea. "What is courage?"
2. Accept their answer for the moment. "Courage is standing firm in battle."
3. Ask follow-up questions that bring out other things they also believe. "Is a soldier who retreats on purpose, to win the battle, a coward?"
4. Show that the answer clashes with those beliefs.
5. End, very often, without a final definition, but with the speaker aware that they did not know what they thought they knew.

Plato's dialogues leave the people he questioned aware of their own ignorance, and many of them do not end with a neat answer. That was the point. Socrates believed that recognising your own ignorance is the first step toward real understanding. The popular slogan "I know that I know nothing" is a later summary of this attitude rather than an exact quotation; it is based on a passage in Plato's Apology.

The oracle that started it

In Plato's Apology, Socrates explains why he started questioning people. His friend Chaerephon went to the oracle of Apollo at Delphi, and Socrates understood the oracle's reply as giving him a mission. In Plato's telling, the reply was that no one was wiser than Socrates. Socrates was puzzled, because he was sure he knew nothing important. So he went looking for someone wiser to prove the god wrong, and kept discovering that the experts did not really know what they claimed to know either. He concluded that his only advantage was that he did not pretend.

You can imagine how this felt to the people on the receiving end, especially when young Athenians followed him around and copied his technique on their own parents.

Two moments when he refused to go along

Socrates was not a political activist, but twice he refused orders he believed were unjust, and both refusals were risky.

In 406 BC, after the naval battle of Arginusae, the Athenian assembly wanted to try a group of generals together and condemn them in a single vote. Socrates was serving on the presiding committee that day, and he alone stood for the law and refused to put the illegal motion. The generals were condemned anyway.

A few years later, after Athens lost the war, a pro-Spartan regime known as the Thirty Tyrants took control. They ordered Socrates and four others to arrest a man named Leon of Salamis so he could be executed. The other four went. Socrates simply went home. His refusal has sometimes been described as an early act of civil disobedience.

The trial of 399 BC

By 399 BC, democracy had been restored, but the city was bruised. Several of the people associated with Socrates had become notorious: Alcibiades had changed sides during the war, and Critias had been one of the Thirty. Socrates had never been part of their crimes, but he was known as their teacher.

Three citizens brought the case: Meletus, who formally started it, together with Anytus and Lycon. The charges were impiety (not honouring the city's gods and introducing new divine things) and corrupting the youth. The trial took place before a jury of hundreds of male citizens and lasted most of a single day.

Socrates did not beg, did not bring his weeping children into court, and did not apologise. In Plato's Apology (the Greek word apologia means "defence speech", not "saying sorry") he argued that he had spent his life doing the city a favour, like a gadfly stinging a large, lazy horse to keep it awake.

He was found guilty. Under Athenian procedure, the accused could propose an alternative penalty. Socrates first suggested, with obvious irony, that he deserved free meals at public expense, then offered a fine. The jury chose death.

It was at this point, according to Plato, that he said one of the most quoted lines in philosophy: the unexamined life is not worth living for a human being. For him, giving up questioning in order to stay alive would have meant giving up the only life worth having.

Hemlock and a last request

His friends had a plan for him to escape from prison. In Plato's Crito, Socrates refuses, arguing that breaking the laws of the city that raised him would be wrong, even if the verdict was unjust.

He died by drinking a cup of hemlock, a poisonous plant preparation. Plato's Phaedo records his last words as a reminder to his friend: "Crito, we owe a rooster to Asclepius." Asclepius was the god of healing. Readers have argued for centuries about whether he meant that death was a cure, or whether he simply did not want to leave a debt unpaid.

So why was he really executed?

Historians usually give a mix of reasons:

• The formal charges: impiety and corrupting the youth.
• Political memory: his links to Alcibiades and Critias made him look like a teacher of traitors to people who had just lived through civil conflict.
• Personal irritation: for decades he had publicly shown respected citizens that they did not know what they were talking about.
• His own defence: by refusing to plead and proposing free meals, he made a lenient sentence harder for the jury to choose.

None of these alone fully explains the verdict, which is one reason the trial still fascinates people. It is a story about free speech, about how democracies handle uncomfortable critics, and about what someone is willing to die for.

Learn with Socrates: five lines worth memorising

If you are learning English, Socrates' story gives you vocabulary that keeps appearing in serious conversations. These phrases are useful well beyond philosophy class:

Phrase	What it means	Example
to cross-examine	to question someone closely to test their answers	The lawyer cross-examined the witness for an hour.
a gadfly	a person who annoys others by constantly challenging them	She was the office gadfly, always asking why.
to take a stand	to publicly refuse to accept something	He took a stand against the new rule.
to plead guilty / not guilty	to say officially in court whether you did it	The defendant pleaded not guilty.
an unexamined life	a life lived without reflecting on it	Journaling helps me avoid an unexamined life.

Try this: Answer one Socratic question in three English sentences. "What is a good friend?" Write your first definition, then ask yourself one follow-up question that challenges it, and write a better version. That small exercise is exactly what Socrates spent his life doing, and it is also a very effective way to practise a new language.