Siro was an Epicurean philosopher who lived in Naples

Naples

Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

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He was a teacher of Virgil

Virgil

Publius Vergilius Maro, usually called Virgil or Vergil in English , was an ancient Roman poet of the Augustan period. He is known for three major works of Latin literature, the Eclogues , the Georgics, and the epic Aeneid...

, and taught at his school in Naples

Naples

Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

. There are two poems attributed to Virgil in the Appendix Vergiliana

Appendix Vergiliana

The Appendix Vergiliana is a collection of poems traditionally ascribed as juvenilia of Virgil, although it is likely that all the pieces are in fact spurious...

, which mention Siro, and where the author speaks of seeking peace in the company of Siro:

I am setting sail for the havens of the blest to seek the wise sayings of great Siro, and will redeem my life from all care.

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...

 also mentions Siro several times and speaks of Siro along with 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...

 as being "excellent citizens and most learned men." The 5th-century commentator Servius claimed that Siro was commemorated in Virgil's sixth Eclogue

Bucolics

The Eclogues is the first of the three major works of the Latin poet Virgil.Taking as his generic model the Greek Bucolica by Theocritus, Virgil created a Roman version partly by offering a dramatic and mythic interpretation of revolutionary change at Rome...

as the character Silenus

Silenus

In Greek mythology, Silenus was a companion and tutor to the wine god Dionysus.-Evolution of the character:The original Silenus resembled a folklore man of the forest with the ears of a horse and sometimes also the tail and legs of a horse...

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