Zeno of Sidon was an Epicurean philosopher

Epicureanism

Epicureanism is a system of philosophy based upon the teachings of Epicurus, founded around 307 BC. Epicurus was an atomic materialist, following in the steps of Democritus. His materialism led him to a general attack on superstition and divine intervention. Following Aristippus—about whom...

 from the Phoenicia

Phoenicia

Phoenicia , was an ancient civilization in Canaan which covered most of the western, coastal part of the Fertile Crescent. Several major Phoenician cities were built on the coastline of the Mediterranean. It was an enterprising maritime trading culture that spread across the Mediterranean from 1550...

n city of Sidon

Sidon

Sidon or Saïda is the third-largest city in Lebanon. It is located in the South Governorate of Lebanon, on the Mediterranean coast, about 40 km north of Tyre and 40 km south of the capital Beirut. In Genesis, Sidon is the son of Canaan the grandson of Noah...

. His writings do not survive, but there are some epitomes of his lectures preserved among the writings of his pupil Philodemus

Philodemus

Philodemus of Gadara was an Epicurean philosopher and poet. He studied under Zeno of Sidon in Athens, before moving to Rome, and then to Herculaneum. He was once known chiefly for his poetry preserved in the Greek anthology, but since the 18th century, many writings of his have been discovered...

.

Life

He was a contemporary of Cicero

Cicero

Marcus Tullius Cicero , was a Roman philosopher, statesman, lawyer, political theorist, and Roman constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.He introduced the Romans to the chief...

, who heard him when at Athens

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

.

He was sometimes termed the "leading Epicurean" . Cicero

Cicero

Marcus Tullius Cicero , was a Roman philosopher, statesman, lawyer, political theorist, and Roman constitutionalist. He came from a wealthy municipal family of the equestrian order, and is widely considered one of Rome's greatest orators and prose stylists.He introduced the Romans to the chief...

 states that Zeno was contemptuous of other philosophers, and even called Socrates

Socrates

Socrates was a classical Greek Athenian philosopher. Credited as one of the founders of Western philosophy, he is an enigmatic figure known chiefly through the accounts of later classical writers, especially the writings of his students Plato and Xenophon, and the plays of his contemporary ...

 "the Attic

Attica

Attica is a historical region of Greece, containing Athens, the current capital of Greece. The historical region is centered on the Attic peninsula, which projects into the Aegean Sea...

 Buffoon." He was a disciple of Apollodorus

Apollodorus the Epicurean

Apollodorus was an Epicurean philosopher, and head of the Epicurean school in Athens.He was according to Diogenes Laërtius surnamed Tyrant of the Garden from his exercising a kind of tyranny or supremacy in the garden or school of Epicurus. He was the teacher of Zeno of Sidon, who succeeded him...

, and Cicero and Diogenes Laërtius

Diogenes Laertius

Diogenes Laertius was a biographer of the Greek philosophers. Nothing is known about his life, but his surviving Lives and Opinions of Eminent Philosophers is one of the principal surviving sources for the history of Greek philosophy.-Life:Nothing is definitively known about his life...

 both describe him as an accurate and polished thinker.

Philosophy

Zeno held that happiness is not merely dependent upon present enjoyment and prosperity, but also on a reasonable expectation of their continuance and appreciation.

Zeno's writings have not survived, but among the charred papyrus

Papyrus

Papyrus is a thick paper-like material produced from the pith of the papyrus plant, Cyperus papyrus, a wetland sedge that was once abundant in the Nile Delta of Egypt....

 remains at the Villa of the Papyri

Villa of the Papyri

The Villa of the Papyri is a private house in the ancient Roman city of Herculaneum . Situated north-west of the township, the residence sits halfway up the slope of the volcano Vesuvius without other buildings to obstruct the view. The villa suburbana was owned by Julius Caesar's father-in-law,...

 at Herculaneum

Herculaneum

Herculaneum was an ancient Roman town destroyed by volcanic pyroclastic flows in AD 79, located in the territory of the current commune of Ercolano, in the Italian region of Campania in the shadow of Mt...

, there is an Epitome of Conduct and Character from the Lectures of Zeno written by his pupil Philodemus

Philodemus

Philodemus of Gadara was an Epicurean philosopher and poet. He studied under Zeno of Sidon in Athens, before moving to Rome, and then to Herculaneum. He was once known chiefly for his poetry preserved in the Greek anthology, but since the 18th century, many writings of his have been discovered...

. It contains the essays On Frank Criticism and On Anger.

Zeno also studied the philosophy of mathematics

Mathematics

Mathematics is the study of quantity, space, structure, and change. Mathematicians seek out patterns and formulate new conjectures. Mathematicians resolve the truth or falsity of conjectures by mathematical proofs, which are arguments sufficient to convince other mathematicians of their validity...

 based on the derivation of all knowledge from experience. He criticized Euclid

Euclid

Euclid , fl. 300 BC, also known as Euclid of Alexandria, was a Greek mathematician, often referred to as the "Father of Geometry". He was active in Alexandria during the reign of Ptolemy I...

, seeking to show that deductions from the fundamental principles of geometry cannot, on their own, be proved: