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#ancientphilosophy — Public Fediverse posts

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  1. Zeno of Elea: The Philosopher Who Broke Motion

    The Devoted Student Born around 490 BCE in Elea (southern Italy), Zeno of Elea was the loyal defender of his teacher Parmenides. Parmenides claimed reality is one, eternal, and unchanging—that all motion and change are illusions. While others mocked this, Zeno set out to prove the opposite: that believing in "common sense" (motion and plurality) leads to logical contradictions even worse than Parmenides' claims.

    The Weapon: Reductio ad Absurdum Zeno perfected reductio ad absurdum: taking an opponent's view and showing it leads to impossibility. He constructed roughly forty paradoxes; only a few survive, but they have puzzled thinkers for 2,500 years.

    The Paradoxes of Plurality Zeno argued that if many things exist, they must be divisible. If you divide something endlessly, you either reach parts with zero size (making the whole size zero) or parts with finite size (making the whole infinitely large). Both are absurd. Thus, "many things" cannot exist. This anticipates modern debates about atoms and the Planck length.

    The Paradoxes of Motion

    The Dichotomy: To walk across a room, you must first go halfway. But before that, a quarter-way. There is no "first" step because there is always a prior midpoint. You must complete an infinite number of tasks to start moving—a logical impossibility.

    Achilles and the Tortoise: The swift Achilles cannot overtake a slow tortoise with a head start. By the time Achilles reaches where the tortoise was, the tortoise has moved further. The gap shrinks infinitely but never closes.
    The Arrow: At any single instant, an arrow occupies a specific spot. Since an instant has no duration, the arrow cannot move during it. If time is made of instants, and the arrow is still at every instant, when does it move?
    The Stadium: Moving objects in opposite directions create contradictions about relative speed and time, hinting at issues later addressed by Einstein.

    Legacy Zeno didn't just pose puzzles; he drove the development of calculus (to handle infinite series), refined logic, and forced physics to confront the nature of space and time. Even today, quantum mechanics (discrete quanta) and relativity (spacetime) grapple with the questions he raised. He taught us that reality is stranger than it appears and that "obvious" truths deserve the hardest scrutiny.

    listen to the lecture: https://tube.leshley.ca/w/7gReepAhkyspTHRtj1wrWi

    #ZenoOfElea #Paradoxes #AncientPhilosophy #GreekPhilosophy #Philosophy
  2. Zeno of Elea: The Philosopher Who Broke Motion

    The Devoted Student Born around 490 BCE in Elea (southern Italy), Zeno of Elea was the loyal defender of his teacher Parmenides. Parmenides claimed reality is one, eternal, and unchanging—that all motion and change are illusions. While others mocked this, Zeno set out to prove the opposite: that believing in "common sense" (motion and plurality) leads to logical contradictions even worse than Parmenides' claims.

    The Weapon: Reductio ad Absurdum Zeno perfected reductio ad absurdum: taking an opponent's view and showing it leads to impossibility. He constructed roughly forty paradoxes; only a few survive, but they have puzzled thinkers for 2,500 years.

    The Paradoxes of Plurality Zeno argued that if many things exist, they must be divisible. If you divide something endlessly, you either reach parts with zero size (making the whole size zero) or parts with finite size (making the whole infinitely large). Both are absurd. Thus, "many things" cannot exist. This anticipates modern debates about atoms and the Planck length.

    The Paradoxes of Motion

    The Dichotomy: To walk across a room, you must first go halfway. But before that, a quarter-way. There is no "first" step because there is always a prior midpoint. You must complete an infinite number of tasks to start moving—a logical impossibility.

    Achilles and the Tortoise: The swift Achilles cannot overtake a slow tortoise with a head start. By the time Achilles reaches where the tortoise was, the tortoise has moved further. The gap shrinks infinitely but never closes.
    The Arrow: At any single instant, an arrow occupies a specific spot. Since an instant has no duration, the arrow cannot move during it. If time is made of instants, and the arrow is still at every instant, when does it move?
    The Stadium: Moving objects in opposite directions create contradictions about relative speed and time, hinting at issues later addressed by Einstein.

    Legacy Zeno didn't just pose puzzles; he drove the development of calculus (to handle infinite series), refined logic, and forced physics to confront the nature of space and time. Even today, quantum mechanics (discrete quanta) and relativity (spacetime) grapple with the questions he raised. He taught us that reality is stranger than it appears and that "obvious" truths deserve the hardest scrutiny.

    listen to the lecture: https://tube.leshley.ca/w/7gReepAhkyspTHRtj1wrWi

    #ZenoOfElea #Paradoxes #AncientPhilosophy #GreekPhilosophy #Philosophy
  3. CW: Zeno of Kition: The Merchant Who Found Wisdom in Shipwrecks
    From Cargo to Cosmos Born around 334 BC in Citium (modern-day Larnaca, Cyprus), Zeno was not born a philosopher but a merchant. Coming from a Phoenician-Greek family, his life was defined by commerce, trade routes, and the accumulation of wealth. His world was the Mediterranean, and his curriculum was profit. That changed violently when a storm shipwrecked him off the coast of Attica, destroying his entire fortune and leaving him stranded in Athens with nothing but the clothes on his back.

    For most, this would be a tragedy marking the end of a life. For Zeno, it was the catalyst for a transformation. While wandering the streets of Athens in his destitution, he entered a bookshop and picked up Xenophon’s Memorabilia, a recollection of Socrates. Captivated by the life of the man who questioned everything, Zeno asked the bookseller where he could find men like that. He was directed to Crates of Thebes, a Cynic philosopher who had voluntarily renounced wealth to live in poverty. Zeno studied under Crates and other thinkers, absorbing Cynic ethics, Socratic dialectic, and Megarian logic. However, he rejected the Cynic rejection of society, seeking instead a way to live virtuously within the world.

    The Birth of Stoicism Around 300 BC, Zeno began teaching at the Stoa Poikile (the Painted Porch), a public colonnade in the heart of Athens adorned with murals of military victories. Unlike the exclusive academies of Plato or Aristotle, the Stoa was open to anyone—a merchant, a slave, a politician, or a housewife. Here, Zeno democratized philosophy, teaching that wisdom was not the province of the elite but accessible to any rational being. The philosophy of "Stoicism" derives its name from this very porch.

    Core Teachings: Logic, Physics, and Ethics Zeno constructed a unified philosophical system comprising three interconnected pillars, often illustrated by the metaphor of an orchard:

    Logic (The Wall): The protective barrier that guards against false reasoning and fallacies. It teaches us how to distinguish truth from error.
    Physics (The Trees): The study of the universe, which Zeno viewed as a rational, living organism governed by Logos (divine reason). Everything happens according to natural law.
    Ethics (The Fruit): The ultimate goal of philosophy. Since the universe is rational and humans possess reason, the good life (eudaimonia) consists of living in harmony with nature and reason.
    Central to his ethics was the idea that virtue is the only true good. External circumstances—wealth, health, reputation—are "indifferents." They may be preferred or dispreferred, but they do not determine a person's moral worth or happiness. True happiness is a "good flow of life," achieved through the cultivation of wisdom, courage, justice, and temperance.

    Cosmopolitanism and Legacy Perhaps Zeno's most radical contribution was his vision of cosmopolitanism. In his lost work, Republic, he proposed a "world-city" (cosmopolis) where all rational beings, regardless of nationality, class, or gender, were citizens bound by shared reason and mutual respect. He argued that artificial divisions like slavery or gender roles were meaningless in the face of universal human rationality.

    Zeno died around 262 BC, but his legacy endured for centuries. His school flourished for five hundred years, influencing giants like Seneca, Epictetus, and the Roman Emperor Marcus Aurelius. After fading during the Middle Ages, Stoicism saw a revival in the Renaissance (Neostoicism) and has experienced a massive resurgence today, forming the psychological foundation of Cognitive Behavioral Therapy (CBT) and modern resilience training.

    Zeno’s life stands as a testament to his philosophy: he lost everything external in a shipwreck, yet he built an internal fortress of wisdom that has sheltered millions for over two millennia.

    To watch the lecture: https://tube.leshley.ca/w/ktRMKapZvMoqxidbfAprLM

    #ZenoOfKition #Stoicism #AncientPhilosophy #GreekPhilosophy #Philosophy
  4. CW: Zeno of Kition: The Merchant Who Found Wisdom in Shipwrecks
    From Cargo to Cosmos Born around 334 BC in Citium (modern-day Larnaca, Cyprus), Zeno was not born a philosopher but a merchant. Coming from a Phoenician-Greek family, his life was defined by commerce, trade routes, and the accumulation of wealth. His world was the Mediterranean, and his curriculum was profit. That changed violently when a storm shipwrecked him off the coast of Attica, destroying his entire fortune and leaving him stranded in Athens with nothing but the clothes on his back.

    For most, this would be a tragedy marking the end of a life. For Zeno, it was the catalyst for a transformation. While wandering the streets of Athens in his destitution, he entered a bookshop and picked up Xenophon’s Memorabilia, a recollection of Socrates. Captivated by the life of the man who questioned everything, Zeno asked the bookseller where he could find men like that. He was directed to Crates of Thebes, a Cynic philosopher who had voluntarily renounced wealth to live in poverty. Zeno studied under Crates and other thinkers, absorbing Cynic ethics, Socratic dialectic, and Megarian logic. However, he rejected the Cynic rejection of society, seeking instead a way to live virtuously within the world.

    The Birth of Stoicism Around 300 BC, Zeno began teaching at the Stoa Poikile (the Painted Porch), a public colonnade in the heart of Athens adorned with murals of military victories. Unlike the exclusive academies of Plato or Aristotle, the Stoa was open to anyone—a merchant, a slave, a politician, or a housewife. Here, Zeno democratized philosophy, teaching that wisdom was not the province of the elite but accessible to any rational being. The philosophy of "Stoicism" derives its name from this very porch.

    Core Teachings: Logic, Physics, and Ethics Zeno constructed a unified philosophical system comprising three interconnected pillars, often illustrated by the metaphor of an orchard:

    Logic (The Wall): The protective barrier that guards against false reasoning and fallacies. It teaches us how to distinguish truth from error.
    Physics (The Trees): The study of the universe, which Zeno viewed as a rational, living organism governed by Logos (divine reason). Everything happens according to natural law.
    Ethics (The Fruit): The ultimate goal of philosophy. Since the universe is rational and humans possess reason, the good life (eudaimonia) consists of living in harmony with nature and reason.
    Central to his ethics was the idea that virtue is the only true good. External circumstances—wealth, health, reputation—are "indifferents." They may be preferred or dispreferred, but they do not determine a person's moral worth or happiness. True happiness is a "good flow of life," achieved through the cultivation of wisdom, courage, justice, and temperance.

    Cosmopolitanism and Legacy Perhaps Zeno's most radical contribution was his vision of cosmopolitanism. In his lost work, Republic, he proposed a "world-city" (cosmopolis) where all rational beings, regardless of nationality, class, or gender, were citizens bound by shared reason and mutual respect. He argued that artificial divisions like slavery or gender roles were meaningless in the face of universal human rationality.

    Zeno died around 262 BC, but his legacy endured for centuries. His school flourished for five hundred years, influencing giants like Seneca, Epictetus, and the Roman Emperor Marcus Aurelius. After fading during the Middle Ages, Stoicism saw a revival in the Renaissance (Neostoicism) and has experienced a massive resurgence today, forming the psychological foundation of Cognitive Behavioral Therapy (CBT) and modern resilience training.

    Zeno’s life stands as a testament to his philosophy: he lost everything external in a shipwreck, yet he built an internal fortress of wisdom that has sheltered millions for over two millennia.

    To watch the lecture: https://tube.leshley.ca/w/ktRMKapZvMoqxidbfAprLM

    #ZenoOfKition #Stoicism #AncientPhilosophy #GreekPhilosophy #Philosophy
  5. Take a moment out of each day to appreciate what you have, who loves you, and how far you've come in life. ☕✨

    #AncientPhilosophy #philosophy #GiveHope #ThanksGiving #EnjoyLife

  6. Take a moment out of each day to appreciate what you have, who loves you, and how far you've come in life. ☕✨

    #AncientPhilosophy #philosophy #GiveHope #ThanksGiving #EnjoyLife

  7. A Glimpse into Plato's Republic Amidst Scholarly Reappraisal

    Scholars are looking again at Plato's Republic. Learn about its ideas on justice, philosopher-kings, and the Forms.

    #PlatoRepublic, #AncientPhilosophy, #JusticeIdeas, #PhilosopherKings, #WesternThought

    newsletter.tf/platos-republic-

  8. 📚 Iamblichas: teurginio neoplatonizmo architektas

    ✍️ Lyon Leshley + AI

    Explore the life and philosophy of Iamblichus of Chalcis, the architect of theurgy who fundamentally transformed Neoplatonism yet remains understudied.

    🌍 Lithuanian

    ⬇️ library.leshley.ca/?search=Iam

    #FreeBooks #PublicDomain #Neoplatonism #Philosophy #AncientPhilosophy #OpenAccess

  9. 📚 Iamblichus: The Architect of Theurgical Neoplatonism

    ✍️ Lyon Leshley + AI

    Discover how Iamblichus transformed Neoplatonism into a comprehensive philosophical system that shaped Western thought for centuries.

    🌍 English

    ⬇️ library.leshley.ca/?search=Iam

    #FreeBooks #PublicDomain #Neoplatonism #Philosophy #AncientPhilosophy #OpenAccess

  10. The Merchant Who Lost Everything: A Re-examination of Zeno’s Ruin

    Learn how Zeno of Citium turned his financial ruin into Stoicism. Discover why this ancient philosophy helps people manage modern crises today on May 17, 2026.

    #stoicism, #zenoofcitium, #ancientphilosophy, #mentalresilience, #historyfacts

    newsletter.tf/zeno-of-citium-s

  11. Zeno of Citium lost all his money in a shipwreck and created a new way to live. This philosophy is now more popular than it was in ancient times because it helps people stay calm during hard times.

    #stoicism, #zenoofcitium, #ancientphilosophy, #mentalresilience, #historyfacts
    newsletter.tf/zeno-of-citium-s

  12. Scholars have unearthed previously unknown verses from Empedocles’s ancient Greek manuscript, offering deeper insights into his revolutionary ideas about nature, love, and the cosmos. A thrilling moment for philosophy and the history of ideas.

    Read more: thedebrief.org/missing-for-200

    @goodnews

    #Empedocles #AncientPhilosophy #LostTexts #GoodNews

  13. Scholars have unearthed previously unknown verses from Empedocles’s ancient Greek manuscript, offering deeper insights into his revolutionary ideas about nature, love, and the cosmos. A thrilling moment for philosophy and the history of ideas.

    Read more: thedebrief.org/missing-for-200

    @goodnews

    #Empedocles #AncientPhilosophy #LostTexts #GoodNews

  14. Ah yes, the timeless wisdom of Stoicism—because nothing screams ancient philosophy like a bunch of #billionaires pretending they're Marcus Aurelius while sipping overpriced lattes on their private jets. 😂 Who knew that the path to inner peace was actually paved with yachts and stock options? 💸
    exurbe.com/stoicisms-appeal-to #Stoicism #AncientPhilosophy #InnerPeace #LuxuryLifestyle #Humor #HackerNews #ngated

  15. Ah yes, the timeless wisdom of Stoicism—because nothing screams ancient philosophy like a bunch of #billionaires pretending they're Marcus Aurelius while sipping overpriced lattes on their private jets. 😂 Who knew that the path to inner peace was actually paved with yachts and stock options? 💸
    exurbe.com/stoicisms-appeal-to #Stoicism #AncientPhilosophy #InnerPeace #LuxuryLifestyle #Humor #HackerNews #ngated

  16. How Stoicism Illuminates Deeper Meaning in Bible Stories 👉 Have you ever wondered how ancient philosophies like Stoicism can unlock profound insights in familiar Bible stories? #Stoicism #StoicismAndFaith #BibleWisdom #AncientPhilosophy #SpiritualGrowth #InspirationalLiving 👉 shorturl.at/2kEpj

  17. I spent much of the day in the Garden - that is, reading Epicurus.

    Image: Agostino Scilla -- The philosopher Epicurus. -- Oil on canvas -- Private collection -- Epicurus holds a card in his hands that reads "Whatever you do, do wisely and think of consequences" - 1670-1680

    #Epicurus #Philosophy #AncientPhilosophy #GreekPhilosophy

  18. I spent much of the day in the Garden - that is, reading Epicurus.

    Image: Agostino Scilla -- The philosopher Epicurus. -- Oil on canvas -- Private collection -- Epicurus holds a card in his hands that reads "Whatever you do, do wisely and think of consequences" - 1670-1680

    #Epicurus #Philosophy #AncientPhilosophy #GreekPhilosophy

  19. #Aristotle 4 causes -

    1. Material
    2. Form = structure and shape
    3. Efficient = makers
    4. Final cause = intended purpose

    Does it stand after 2300+ years?

    'Cause' is a big word. Influence is better. Also, they're all interactive parts of the whole, 'cause' as a word in English has an unitary exclusiveness to it that might not be in the Greek. Effects have an ecology of causes. But these 4 influences are certainly useful high level considerations

    #philosophy
    @philosophy
    #ancientphilosophy

  20. #Aristotle 4 causes -

    1. Material
    2. Form = structure and shape
    3. Efficient = makers
    4. Final cause = intended purpose

    Does it stand after 2300+ years?

    'Cause' is a big word. Influence is better. Also, they're all interactive parts of the whole, 'cause' as a word in English has an unitary exclusiveness to it that might not be in the Greek. Effects have an ecology of causes. But these 4 influences are certainly useful high level considerations

    #philosophy
    @philosophy
    #ancientphilosophy

  21. Social Justice and the Legitimacy of Slavery: The Role of Philosophical Asceticism From Ancient Judaism to Late Antiquity

    Were slavery and social injustice leading to dire poverty in antiquity and late antiquity only regarded as normal, "natural" (Aristotle), or at best something morally "indifferent" (the Stoics), or, in the Christian milieu, a sad but inevitable consequence of the Fall, or even an expression of God's unquestionable will?

    @bookstodon
    #AncientPhilosophy
    #slavery

  22. Social Justice and the Legitimacy of Slavery: The Role of Philosophical Asceticism From Ancient Judaism to Late Antiquity

    Were slavery and social injustice leading to dire poverty in antiquity and late antiquity only regarded as normal, "natural" (Aristotle), or at best something morally "indifferent" (the Stoics), or, in the Christian milieu, a sad but inevitable consequence of the Fall, or even an expression of God's unquestionable will?

    @bookstodon
    #AncientPhilosophy
    #slavery