Diogenes

Diogenes (c. 412–323 BC) was a Greek philosopher and one of the founders of Cynic philosophy. He was born in Sinope, an Ionian colony on the Black Sea, in 412 or 404 BC and died at Corinth in 323 BC.

Diogenes was a controversial figure. His father minted coins for a living, and when Diogenes took to debasement of currency, he was banished from Sinope. After being exiled, he moved to Athens and criticized many cultural conventions of the city. He modeled himself on the example of Hercules, and believed that virtue was better revealed in action than in theory. He used his simple lifestyle and behavior to criticize the social values and institutions of what he saw as a corrupt, confused society. He had a reputation for sleeping and eating wherever he chose in a highly non-traditional fashion, and took to toughening himself against nature. He declared himself a cosmopolitan and a citizen of the world rather than claiming allegiance to just one place.

There are many tales about his dogging Antisthenes' footsteps and becoming his "faithful hound". Diogenes made a virtue of poverty. He begged for a living and often slept in a large ceramic jar in the marketplace. He became notorious for his philosophical stunts, such as carrying a lamp during the day, claiming to be looking for an honest man. He criticized Plato, disputed his interpretation of Socrates, and sabotaged his lectures, sometimes distracting listeners by bringing food and eating during the discussions. Diogenes was also noted for having mocked Alexander the Great, both in public and to his face when he visited Athens.

Diogenes' teaching was passed down by his pupil, Crates of Thebes, who taught Zeno of Citium, the founder of Stoicism. The Stoics admired his asceticism and his emphasis on virtue, and Zeno cited Diogenes as a major influence on his own philosophical approach.

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