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  1. EpicureanFriends - Classical Epicurean Philosophy
  2. Forum
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  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. PD04 - Best Translation of PD04 to Feature at EpicureanFriends 3

      • Like 1
      • Cassius
      • July 24, 2023 at 12:02 PM
      • Cassius
      • July 24, 2023 at 1:04 PM
    2. Replies
      3
      Views
      3.9k
      3
    3. Godfrey

      July 24, 2023 at 1:04 PM
    1. PD05 - Visualizing Principal Doctrine 5

      • Cassius
      • April 29, 2015 at 10:10 PM
      • Cassius
      • April 29, 2015 at 10:10 PM
    2. Replies
      0
      Views
      4k
    1. Κυρίας ​Δ​όξας by Tiziano Dorandi (2013)

      • Eikadistes
      • January 5, 2022 at 3:21 PM
      • Eikadistes
      • January 5, 2022 at 3:21 PM
    2. Replies
      0
      Views
      4k
    1. PD37 - Alternate Translations 1

      • Cassius
      • November 19, 2017 at 11:47 AM
      • Cassius
      • June 30, 2023 at 3:52 PM
    2. Replies
      1
      Views
      4.1k
      1
    3. Bryan

      June 30, 2023 at 3:52 PM
    1. PD35 - Alternate Translations 1

      • Cassius
      • November 19, 2017 at 11:46 AM
      • Cassius
      • June 10, 2021 at 8:11 PM
    2. Replies
      1
      Views
      4.1k
      1
    3. Godfrey

      June 10, 2021 at 8:11 PM
    1. PD38 - Alternate Translations 1

      • Cassius
      • November 19, 2017 at 11:47 AM
      • Cassius
      • June 29, 2023 at 4:07 PM
    2. Replies
      1
      Views
      4.1k
      1
    3. Bryan

      June 29, 2023 at 4:07 PM
    1. Kuriai Doxai - A Compilation of Translations by Nathan Bartman

      • Thanks 2
      • Cassius
      • December 29, 2021 at 1:57 PM
      • Cassius
      • December 29, 2021 at 1:57 PM
    2. Replies
      0
      Views
      4.2k
    1. PD26 - Alternate Translations 1

      • Cassius
      • November 19, 2017 at 11:44 AM
      • Cassius
      • November 12, 2023 at 2:53 PM
    2. Replies
      1
      Views
      4.3k
      1
    3. Kalosyni

      November 12, 2023 at 2:53 PM
    1. PD06 - Visualizing Principal Doctrine Six

      • Cassius
      • March 1, 2019 at 4:39 PM
      • Cassius
      • March 1, 2019 at 4:39 PM
    2. Replies
      0
      Views
      4.5k
    1. PD22 - Thoughts On PD 22 3

      • Cassius
      • February 2, 2021 at 11:21 AM
      • Cassius
      • February 2, 2021 at 3:34 PM
    2. Replies
      3
      Views
      4.6k
      3
    3. Cassius

      February 2, 2021 at 3:34 PM
    1. PD09 - General Discussion of PD09 3

      • Cassius
      • June 16, 2022 at 10:19 AM
      • Cassius
      • June 16, 2022 at 10:43 AM
    2. Replies
      3
      Views
      4.7k
      3
    3. Cassius

      June 16, 2022 at 10:43 AM
    1. PD09 - Visualizing Principal Doctrine Nine 1

      • Love 1
      • Cassius
      • April 7, 2019 at 12:20 PM
      • Cassius
      • April 7, 2019 at 12:20 PM
    2. Replies
      1
      Views
      4.9k
      1
    3. Cassius

      April 7, 2019 at 12:20 PM
    1. PD08 - Best Translation of PD08 To Feature At EpicureanFriends.com 2

      • Cassius
      • August 23, 2023 at 9:18 PM
      • Cassius
      • August 23, 2023 at 9:26 PM
    2. Replies
      2
      Views
      4.9k
      2
    3. Don

      August 23, 2023 at 9:26 PM
    1. PD04 - Chronic Illness (Pain) - Migraines and PD 4 4

      • Like 6
      • Charles
      • January 18, 2021 at 9:07 PM
      • Charles
      • January 19, 2021 at 12:50 PM
    2. Replies
      4
      Views
      5k
      4
    3. Matt

      January 19, 2021 at 12:50 PM
    1. PD09 - Best Translation of PD09 To Feature At EpicureanFriends.com 3

      • Cassius
      • September 10, 2023 at 7:28 AM
      • Cassius
      • September 10, 2023 at 9:13 PM
    2. Replies
      3
      Views
      5k
      3
    3. Godfrey

      September 10, 2023 at 9:13 PM
    1. Translators and Alternate Translations 3

      • Cassius
      • April 30, 2015 at 9:16 AM
      • Cassius
      • January 11, 2021 at 9:39 PM
    2. Replies
      3
      Views
      5.1k
      3
    3. Bryan

      January 11, 2021 at 9:39 PM
    1. PD07 - Best Translation of PD07 To Feature At EpicureanFriends.com 6

      • Cassius
      • August 15, 2023 at 5:56 PM
      • Cassius
      • August 17, 2023 at 9:32 AM
    2. Replies
      6
      Views
      5.1k
      6
    3. Cassius

      August 17, 2023 at 9:32 AM
    1. Principal Doctrines by Odysseus Makridis 5

      • Thanks 1
      • Eikadistes
      • September 8, 2021 at 7:48 AM
      • Eikadistes
      • September 9, 2021 at 4:59 AM
    2. Replies
      5
      Views
      5.2k
      5
    3. Don

      September 9, 2021 at 4:59 AM
    1. PD01 - Visualizing Principal Doctrine One 3

      • Love 1
      • Cassius
      • February 7, 2019 at 8:56 AM
      • Cassius
      • February 7, 2019 at 3:02 PM
    2. Replies
      3
      Views
      5.4k
      3
    3. Hiram

      February 7, 2019 at 3:02 PM
    1. PD16 and Aristippan adaptability

      • Love 1
      • Hiram
      • April 25, 2018 at 9:16 AM
      • Hiram
      • April 25, 2018 at 9:16 AM
    2. Replies
      0
      Views
      5.5k
    1. PD08 - Visualizing Principal Doctrine Eight 1

      • Love 2
      • Cassius
      • March 16, 2019 at 11:27 AM
      • Cassius
      • March 16, 2019 at 1:23 PM
    2. Replies
      1
      Views
      5.5k
      1
    3. michelepinto

      March 16, 2019 at 1:23 PM
    1. PD03 - General Commentary - Doctrine 3 3

      • Cassius
      • April 29, 2015 at 10:09 PM
      • Cassius
      • January 16, 2021 at 11:38 AM
    2. Replies
      3
      Views
      5.5k
      3
    3. Bryan

      January 16, 2021 at 11:38 AM
    1. PD04 - Continuous Pleasure / PD4 2

      • Cassius
      • March 6, 2017 at 11:25 AM
      • Cassius
      • March 9, 2017 at 11:13 AM
    2. Replies
      2
      Views
      5.6k
      2
    3. Cassius

      March 9, 2017 at 11:13 AM
    1. PD26 - Does PD26 imply personal responsibility beyond oneself? 4

      • Thanks 1
      • Godfrey
      • July 11, 2024 at 3:22 PM
      • Godfrey
      • July 11, 2024 at 5:43 PM
    2. Replies
      4
      Views
      5.6k
      4
    3. Cassius

      July 11, 2024 at 5:43 PM
    1. PD01 - General Commentary - Doctrine 1 2

      • Cassius
      • April 29, 2015 at 10:06 PM
      • Cassius
      • January 16, 2021 at 5:13 PM
    2. Replies
      2
      Views
      5.7k
      2
    3. Godfrey

      January 16, 2021 at 5:13 PM
    1. PD30 - Breakdown of PD 30 7

      • Like 1
      • Rolf
      • April 21, 2025 at 5:23 PM
      • Rolf
      • April 22, 2025 at 2:47 AM
    2. Replies
      7
      Views
      5.9k
      7
    3. Cassius

      April 22, 2025 at 2:47 AM
    1. PD34 - How Does PD 34 Relate to PD 32 As To The Nature of Justice? 4

      • Love 1
      • Cassius
      • December 8, 2018 at 9:28 PM
      • Cassius
      • December 9, 2018 at 1:51 PM
    2. Replies
      4
      Views
      5.9k
      4
    3. Cassius

      December 9, 2018 at 1:51 PM
    1. Fundamental Articles by William Wallace 8

      • Thanks 3
      • Eikadistes
      • January 22, 2022 at 6:13 PM
      • Eikadistes
      • January 23, 2022 at 7:15 AM
    2. Replies
      8
      Views
      6.5k
      8
    3. Cassius

      January 23, 2022 at 7:15 AM
    1. PD40 - Alternate Translations 1

      • Cassius
      • November 19, 2017 at 11:47 AM
      • Cassius
      • June 28, 2023 at 2:23 PM
    2. Replies
      1
      Views
      6.5k
      1
    3. Bryan

      June 28, 2023 at 2:23 PM
    1. PD01 - Graphics for PD1 5

      • Cassius
      • February 6, 2019 at 8:36 AM
      • Cassius
      • February 6, 2019 at 4:57 PM
    2. Replies
      5
      Views
      6.5k
      5
    3. Godfrey

      February 6, 2019 at 4:57 PM

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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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