Posidonius

Greek Stoic philosopher (c.135 – c.51 BC)

  • Fame53.8
  • Momentum0.0
  • Wikipedia4.9K
Source-basedStable
Lived -135–-51, aged 84
AcademicsAcademic
  • Wikipedia
    54 languages
    Cross-language footprint
  • Era
    -135–-51
    Aged 84
Summary
Updated 2026-06-08

A Stoic polymath who tried to measure the sun's distance, calculate Earth's diameter, and link the moon to the tides — then lost every word he wrote, leaving later scholars to mine the wreckage for what the most learned man of his era once knew.

Biography

About

Born around 135 BC in Apamea, Syria, Posidonius studied Stoic philosophy under Panaetius in Athens before spending years traveling Spain, Africa, Italy, Gaul, and the Adriatic coast for scientific research. He settled in Rhodes as a teacher, drawing scholars from across the Mediterranean and becoming known to Roman power brokers like Pompey and Cicero — key to pushing Stoicism into Roman intellectual life. He wrote more than twenty works blending Stoic doctrine with Plato and Aristotle, and pursued genuine questions in astronomy, geography, mathematics, and natural history: the size of the sun…

Voice

In their own words

Sourced, dated quotes from Posidonius

Posidonius
saidundated
Riches are a cause of evil, not because, of themselves, they do any evil, but because they goad men on so that they are ready to do evil.
As quoted in Epistulae morales ad Lucilium by Seneca, Epistle LXXXVII (trans. R. M. Gummere)
Posidonius
saidundated
A single day among the learned lasts longer than the longest life of the ignorant.
As quoted in Epistulae morales ad Lucilium by Seneca, Epistle LXXVIII (trans. R. M. Gummere)
Posidonius
saidundated
Things which bestow upon the soul no greatness or confidence or freedom from care are not goods.
As quoted in Epistulae morales ad Lucilium by Seneca, Epistle LXXXVII (trans. R. M. Gummere)
Posidonius
saidundated
There are never any occasions when you need think yourself safe because you wield the weapons of Fortune; fight with your own!
As quoted in Epistulae morales ad Lucilium by Seneca, Epistle CXIII (trans. R. M. Gummere)
Where to find them

Platforms

No platforms connected yet.

By the numbers

Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Stable
53.8
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical23.3
Source confidence60.0
Completeness60.0
Global rank
Country rank
Category rank
Receipts

Sources

  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence