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  1. EpicureanFriends - Classical Epicurean Philosophy
  2. Forum
  3. Ancient Texts Relevant To Epicurus
  4. Epicurus - Letters And Works

Epicurus - Principal Doctrines

This subforum is devoted to the Principal Doctrines of Epicurus.  Please note:

https://www.epicureanfriends.com/wcf/principal-doctrines-page---threads-sorted-by-doctrine/
  • ** If you would like to make a comment or ask a question that concerns them all, please use the "General" subforum below. 

  • ** If your question or comment relates to a particular doctrine, click the appropriate doctrine in the numbered chart below, and you will see the existing threads for that doctrine. 

  • ** If you start a new thread on a particular doctrine, please entitle it "PDXX - Topic," and use the appropriate PDXX Tag so that your thread can be found in the future.

  • ** Click here for a listing of all Principle Doctrine threads in order by doctrine 
  • ** Click here for a full list of the text of all Principal Doctrines.

 

** The Vatican List Of Sayings Of Epicurus **

PD01 | PD02 | PD03 | PD04 | PD05
PD06 | PD07 | PD08 | PD09 | PD10
PD11 | PD12 | PD13 | PD14 | PD15
PD16 | PD17 | PD18 | PD19 | PD20
PD21 | PD22 | PD23 | PD24 | PD25
PD26 | PD27 | PD28 | PD29 | PD30
PD31 | PD32 | PD33 | PD34 | PD35
PD36 | PD37 | PD38 | PD39 | PD40

Latest Lucretius Today Podcast
Episode 359 — "According To The Skeptics, Why Aim For The Truth When You Can Give Up Trying To Be Right And Never Have To Admit That You're Wrong?"
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    1. Commentary On The Principal Doctrines And Vatican Sayings

      • Thanks 2
      • Cassius
      • April 17, 2026 at 11:10 AM
      • Cassius
      • April 17, 2026 at 11:10 AM
    2. Replies
      0
      Views
      1.2k
    1. PD08 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:14 PM
      • Cassius
      • July 5, 2025 at 6:14 PM
    2. Replies
      0
      Views
      692
    1. Criticism of Dewitt's interpretation of Principal Doctrine 5. 7

      • Like 6
      • wbernys
      • October 4, 2026 at 5:45 PM
      • wbernys
      • October 13, 2026 at 2:34 PM
    2. Replies
      7
      Views
      696
      7
    3. Patrikios

      October 13, 2026 at 2:34 PM
    1. PD04 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:09 PM
      • Cassius
      • July 5, 2025 at 6:09 PM
    2. Replies
      0
      Views
      699
    1. PD22 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 7:08 PM
      • Cassius
      • July 5, 2025 at 7:08 PM
    2. Replies
      0
      Views
      714
    1. PD06 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:13 PM
      • Cassius
      • July 5, 2025 at 6:13 PM
    2. Replies
      0
      Views
      725
    1. PD18 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 7:02 PM
      • Cassius
      • July 5, 2025 at 7:02 PM
    2. Replies
      0
      Views
      770
    1. PD01 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 5:36 PM
      • Cassius
      • July 5, 2025 at 5:36 PM
    2. Replies
      0
      Views
      806
    1. PD07 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:14 PM
      • Cassius
      • July 5, 2025 at 6:14 PM
    2. Replies
      0
      Views
      922
    1. PD03 Alternate Translations

      • Cassius
      • July 5, 2025 at 6:08 PM
      • Cassius
      • July 5, 2025 at 6:08 PM
    2. Replies
      0
      Views
      941
    1. PD05 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:11 PM
      • Cassius
      • July 5, 2025 at 6:11 PM
    2. Replies
      0
      Views
      978
    1. PD10 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:54 PM
      • Cassius
      • July 5, 2025 at 6:54 PM
    2. Replies
      0
      Views
      1k
    1. PD09 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 6:53 PM
      • Cassius
      • July 5, 2025 at 6:53 PM
    2. Replies
      0
      Views
      1k
    1. PD16 - Alternate Renderings

      • Cassius
      • July 5, 2025 at 7:00 PM
      • Cassius
      • July 5, 2025 at 7:00 PM
    2. Replies
      0
      Views
      1k
    1. PD21 - Commentary and Interpretation 2

      • Thanks 2
      • Kalosyni
      • February 2, 2026 at 1:35 PM
      • Kalosyni
      • February 3, 2026 at 4:13 PM
    2. Replies
      2
      Views
      1.2k
      2
    3. Godfrey

      February 3, 2026 at 4:13 PM
    1. PD14 - Analysis And Application - Article By George Kaplanis Posted In Elli's Blog

      • Like 1
      • Cassius
      • June 30, 2025 at 1:37 PM
      • Cassius
      • June 30, 2025 at 1:37 PM
    2. Replies
      0
      Views
      1.5k
    1. PD32 - Alternate Translations

      • Cassius
      • July 5, 2025 at 7:22 PM
      • Cassius
      • July 5, 2025 at 7:22 PM
    2. Replies
      0
      Views
      1.7k
    1. PD33 - Alternate Translations

      • Cassius
      • July 5, 2025 at 7:24 PM
      • Cassius
      • July 5, 2025 at 7:24 PM
    2. Replies
      0
      Views
      1.8k
    1. PD02 - Graphics for PD2

      • Cassius
      • February 6, 2019 at 8:38 AM
      • Cassius
      • February 6, 2019 at 8:38 AM
    2. Replies
      0
      Views
      2.1k
    1. PD09 - A Discussion of the relevance of PD9 to the katastematic / kinetic distinction

      • Cassius
      • January 28, 2018 at 5:10 PM
      • Cassius
      • January 28, 2018 at 5:10 PM
    2. Replies
      0
      Views
      2.5k
    1. PD06 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:44 AM
      • Cassius
      • November 19, 2017 at 11:44 AM
    2. Replies
      0
      Views
      2.5k
    1. PD02 - Dustsceawung - An Old English word for "Meditate on death"?

      • Like 3
      • Don
      • November 29, 2024 at 10:01 PM
      • Don
      • November 29, 2024 at 10:01 PM
    2. Replies
      0
      Views
      2.5k
    1. PD16 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:40 AM
      • Cassius
      • November 19, 2017 at 11:40 AM
    2. Replies
      0
      Views
      2.5k
    1. PD08 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:38 AM
      • Cassius
      • November 19, 2017 at 11:38 AM
    2. Replies
      0
      Views
      2.5k
    1. PD10 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:39 AM
      • Cassius
      • November 19, 2017 at 11:39 AM
    2. Replies
      0
      Views
      2.6k
    1. PD04 - Visualizing Principal Doctrine Four

      • Cassius
      • February 18, 2019 at 6:03 PM
      • Cassius
      • February 18, 2019 at 6:03 PM
    2. Replies
      0
      Views
      2.6k
    1. PD09 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:38 AM
      • Cassius
      • November 19, 2017 at 11:38 AM
    2. Replies
      0
      Views
      2.7k
    1. Have PD35 and Vatican Saying 7 been straw-manned? 18

      • Like 1
      • wbernys
      • April 18, 2026 at 3:28 AM
      • wbernys
      • May 28, 2026 at 2:35 PM
    2. Replies
      18
      Views
      2.7k
      18
    3. DaveT

      May 28, 2026 at 2:35 PM
    1. PD04 - General Commentary - Doctrine 4

      • Cassius
      • April 29, 2015 at 10:10 PM
      • Cassius
      • April 29, 2015 at 10:10 PM
    2. Replies
      0
      Views
      2.7k
    1. PD05 - Visualizing Principal Doctrine Five

      • Cassius
      • February 24, 2019 at 11:26 AM
      • Cassius
      • February 24, 2019 at 11:26 AM
    2. Replies
      0
      Views
      2.7k
    1. PD17 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:41 AM
      • Cassius
      • November 19, 2017 at 11:41 AM
    2. Replies
      0
      Views
      2.8k

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Latest Posts

  1. The Role Of Vortices (The Vortex) In The Creation Of Worlds - Part of the Epicurean Alternative To Intelligent Design

    Cassius
    November 14, 2026 at 3:58 PM
  2. Episode 360 - EATAQ42 - Continuing in Part 21 of Book 2 of Academic Questions - Not Yet Recorded

    Cassius
    November 14, 2026 at 1:44 PM
  3. New Article Attacking Epicurean Physics: "Science Versus the Oldest Anti-Intelligent Design Argument "

    Cassius
    November 13, 2026 at 11:52 AM
  4. Episode 359 - EATAQ41 - According To The Skeptics, Why Aim For The Truth When You Can GIve Up Trying To Be Right And Never Have To Admit That You're Wrong?

    Cassius
    November 12, 2026 at 3:24 PM
  5. Book Referenced in Zoom - Kelly McGonigal's "Joy Is A Risk Worth Taking"

    Cassius
    November 12, 2026 at 7:04 AM
  6. Savoring the Present Moment

    Kalosyni
    November 10, 2026 at 4:47 PM
  7. The Art of Remembering

    Kalosyni
    November 10, 2026 at 4:36 PM
  8. Welcome DevinH!

    Patrikios
    November 10, 2026 at 1:14 PM
  9. Under What Circumstances, If Any, Would An Epicurean Choose A Course That Produced (For Example) 98% Pleasure And 2% Pain Over A Course That Was 100% Pleasure and 0% Pain?

    Cassius
    November 9, 2026 at 1:52 PM
  10. Using AI to create flow charts of Lucretius' De Rerum Natura

    Cassius
    November 7, 2026 at 3:41 PM

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