Thinkers

Diogenes of Sinope

Hellenistic · Europe · 412 to 323 BCE

Greek philosopher who lived with almost nothing, and became the best-known Cynic. When Alexander the Great offered him a favour, he asked him to stand out of his light.

What it is

Diogenes of Sinope was a Greek philosopher and the best-known of the Cynics, a school that put self-sufficiency and the rejection of luxury at the centre of a good life. He died in the 320s BC, probably in or near Corinth, and he is remembered less for a system of ideas than for the way he lived.

Nearly everything told about him comes from anecdotes of uneven reliability, so the line between fact and legend is thin. What the stories agree on is a man from Sinope who lived in Athens with almost nothing, mocked convention, and claimed to be better off for it.

The main ideas

• Self-sufficiency. He held that a person can carry within what they need for happiness, and he rejected luxury.
• Training. Living with little was a discipline, called askesis, a word that means training. Moral strength, in this view, comes from methodical practice.
• Shamelessness. He advocated a shameless life, meaning that actions harmless in themselves should not be held back just because custom says they are out of place.
• Nature over convention. He put nature above the customs of organised communities, and called people back to a simple, natural life.

What it looks like in practice

Picture someone who spends a week wondering what to buy so as to feel settled, and who dreads what neighbours will say. Diogenes would ask what they actually need, suggest doing without one thing to see what happens, and tell them that the dread comes from custom and not from nature. This is an illustration of the outlook, not a passage from any text.

Books and moments

• The exile. He left Sinope in exile, or in flight, after a scandal about debasing the coinage. Ancient sources disagree whether he or his father was responsible. Later tradition turned it into a motto for his philosophy, to deface the currency, meaning to challenge false standards.
• The jar. In Athens he is said to have lived in a large storage jar, and to have begged for his food.
• Antisthenes. Tradition makes him a student of Antisthenes, the first Cynic.
• Plato's definition. When Plato defined the human being as a featherless two-legged animal, Diogenes is said to have brought in a plucked fowl and called it Plato's human being.
• The lamp. He is said to have walked about in daylight with a lit lamp, looking for a human being, or in some tellings an honest one.
• The slave. A story says that pirates seized him and he was sold to Xeniades of Corinth. Asked what he could do, he said that he could govern people, and he was put in charge of his master's sons. Scholars treat the story as probably invented.
• Alexander. Many tales set him beside Alexander the Great.
• Lost writings. Whether he left anything in writing is disputed. Ancient reports mention dialogues, and none has survived.

Questions and criticism

• A philosopher or a showman? Plato is reported to have called him a Socrates gone mad. It is fair to ask whether his acts were a show or an argument.
• How much is true? Many stories about him are disputed or called legendary, including the manner of his death. We know him mainly through anecdotes.
• A model or a protest? Whether his way is meant as a life for others to copy, or as a challenge to those who live by custom, is still argued.

Close neighbours

Antisthenes and Crates of Thebes are the nearest Cynic pages on this site, and the school of Cynicism is his own. Socrates, to whom the stories compare him, also has a page.

Written by epchē in our own words, and checked against independent sources on 29 October 2026. The sources are listed below.

Where to start reading

Books by Diogenes of Sinope or about them, from the easiest way in to the harder ones.

All the books, by tradition

Philosophies they belong to or are close to

• Cynicism

Other Hellenistic thinkers

• Antisthenes · 445 to 365 BCE
• Crates of Thebes · 365 to 285 BCE
• Pyrrho of Elis · 360 to 270 BCE
• Epicurus · 341 to 270 BCE
• Zeno of Citium · 334 to 262 BCE
• Cleanthes · 331 to 232 BCE
• Chrysippus · 279 to 206 BCE
• Carneades · 214 to 129 BCE
• Cicero · 106 to 43 BCE
• Lucretius · 99 to 55 BCE

Sources we used

• Diogenes of Sinope · Internet Encyclopedia of Philosophy, read on 29 October 2026
• Diogenes · Encyclopaedia Britannica, read on 29 October 2026
• Diogenes · Wikipedia, read on 29 October 2026

Read more elsewhere

• Internet Encyclopedia of Philosophy · shorter and plainer, with a reading list