1001Philosophers

Posidonius Quotes

Posidonius of Apamea was a Greek Stoic philosopher, polymath, and one of the most learned men of antiquity. Settling in Rhodes, where he taught the young Cicero, he produced encyclopedic works on natural philosophy, ethics, history, geography, and astronomy, almost all of which are lost. The quotes below are attributed to Posidonius, organized by topic.

Posidonius on Mind

  • Attributed to Posidonius:

    “The passions are not mere wrong judgments, but movements of the irrational part of the soul.”

Posidonius on Nature

  • Attributed to Posidonius:

    “All things are connected, since the world is a single living thing.”

  • Attributed to Posidonius:

    “The cosmos is a perfect rational animal.”

Posidonius on Time

  • Attributed to Posidonius:

    “Time is the measure of motion in respect of before and after.”

Posidonius on Truth

  • Attributed to Posidonius:

    “There is one work proper to philosophy: to discover the truth.”