1. Home
    1. Start Here: Study Guide
    2. Community Standards And Posting Policies
    3. Terms of Use
    4. Moderator Team
    5. Website Overview
    6. Site Map
    7. Quizzes
    8. Articles
      1. Featured Articles
    9. All Blog Posts
      1. Elli's Blog / Articles
  2. Wiki
    1. Wiki Home
    2. FAQ
    3. Classical Epicureanism
    4. Files
    5. Search Assistance
    6. Not NeoEpicurean
    7. Foundations
    8. Navigation Outlines
    9. Reading List
    10. Key Pages
  3. Forum
    1. Full Forum List
    2. Welcome Threads
    3. Physics
    4. Canonics
    5. Ethics
    6. Forum Shortcuts
    7. Forum Navigation Map
    8. Featured
    9. Most Discussed
  4. Latest
    1. New Activity
    2. Latest Threads
    3. Dashboard
    4. Search By Tag
    5. Complete Tag List
  5. Podcast
    1. Lucretius Today Podcast
    2. Episode Guide
    3. Lucretius Today At Youtube
    4. EpicureanFriends Youtube Page
  6. Texts
    1. Overview
    2. Diogenes Laertius
    3. Principal Doctrines
    4. Vatican Collection
    5. Lucretius
    6. Herodotus
    7. Pythocles
    8. Menoeceus
    9. Fragments - Usener Collection
    10. Torquatus On Ethics
    11. Velleius On Gods
    12. Greek/Latin Help
  7. Gallery
    1. Featured images
    2. Albums
    3. Latest Images
    4. Latest Comments
  8. More
    1. Featured Content
    2. Calendar
      1. Upcoming Events List
      2. Zooms - General Info
      3. Fourth Sunday Meet-&-Greet
      4. Sunday Weekly Zoom
      5. Wednesday Zoom Meeting
    3. Logbook
    4. EF ToDo List
    5. Link-Database
  • Login
  • Register
  • Search
This Forum
  • Everywhere
  • This Forum
  • Forum
  • Articles
  • Blog Articles
  • Files
  • Gallery
  • Events
  • Pages
  • Wiki
  • Help
  • FAQ
  • More Options

Welcome To EpicureanFriends.com!

"If anyone thinks that he knows nothing, he cannot be sure that he knows this, when he confesses that he knows nothing at all. I shall avoid disputing with such a trifler, who perverts all things, and like a tumbler with his head prone to the earth, can go no otherwise than backwards." (Lucretius 4:469)

Sign In Now
or
Register a new account
  1. Home
    1. Start Here: Study Guide
    2. Community Standards And Posting Policies
    3. Terms of Use
    4. Moderator Team
    5. Website Overview
    6. Site Map
    7. Quizzes
    8. Articles
      1. Featured Articles
    9. All Blog Posts
      1. Elli's Blog / Articles
  2. Wiki
    1. Wiki Home
    2. FAQ
    3. Classical Epicureanism
    4. Files
    5. Search Assistance
    6. Not NeoEpicurean
    7. Foundations
    8. Navigation Outlines
    9. Reading List
    10. Key Pages
  3. Forum
    1. Full Forum List
    2. Welcome Threads
    3. Physics
    4. Canonics
    5. Ethics
    6. Forum Shortcuts
    7. Forum Navigation Map
    8. Featured
    9. Most Discussed
  4. Latest
    1. New Activity
    2. Latest Threads
    3. Dashboard
    4. Search By Tag
    5. Complete Tag List
  5. Podcast
    1. Lucretius Today Podcast
    2. Episode Guide
    3. Lucretius Today At Youtube
    4. EpicureanFriends Youtube Page
  6. Texts
    1. Overview
    2. Diogenes Laertius
    3. Principal Doctrines
    4. Vatican Collection
    5. Lucretius
    6. Herodotus
    7. Pythocles
    8. Menoeceus
    9. Fragments - Usener Collection
    10. Torquatus On Ethics
    11. Velleius On Gods
    12. Greek/Latin Help
  7. Gallery
    1. Featured images
    2. Albums
    3. Latest Images
    4. Latest Comments
  8. More
    1. Featured Content
    2. Calendar
      1. Upcoming Events List
      2. Zooms - General Info
      3. Fourth Sunday Meet-&-Greet
      4. Sunday Weekly Zoom
      5. Wednesday Zoom Meeting
    3. Logbook
    4. EF ToDo List
    5. Link-Database
  1. Home
    1. Start Here: Study Guide
    2. Community Standards And Posting Policies
    3. Terms of Use
    4. Moderator Team
    5. Website Overview
    6. Site Map
    7. Quizzes
    8. Articles
      1. Featured Articles
    9. All Blog Posts
      1. Elli's Blog / Articles
  2. Wiki
    1. Wiki Home
    2. FAQ
    3. Classical Epicureanism
    4. Files
    5. Search Assistance
    6. Not NeoEpicurean
    7. Foundations
    8. Navigation Outlines
    9. Reading List
    10. Key Pages
  3. Forum
    1. Full Forum List
    2. Welcome Threads
    3. Physics
    4. Canonics
    5. Ethics
    6. Forum Shortcuts
    7. Forum Navigation Map
    8. Featured
    9. Most Discussed
  4. Latest
    1. New Activity
    2. Latest Threads
    3. Dashboard
    4. Search By Tag
    5. Complete Tag List
  5. Podcast
    1. Lucretius Today Podcast
    2. Episode Guide
    3. Lucretius Today At Youtube
    4. EpicureanFriends Youtube Page
  6. Texts
    1. Overview
    2. Diogenes Laertius
    3. Principal Doctrines
    4. Vatican Collection
    5. Lucretius
    6. Herodotus
    7. Pythocles
    8. Menoeceus
    9. Fragments - Usener Collection
    10. Torquatus On Ethics
    11. Velleius On Gods
    12. Greek/Latin Help
  7. Gallery
    1. Featured images
    2. Albums
    3. Latest Images
    4. Latest Comments
  8. More
    1. Featured Content
    2. Calendar
      1. Upcoming Events List
      2. Zooms - General Info
      3. Fourth Sunday Meet-&-Greet
      4. Sunday Weekly Zoom
      5. Wednesday Zoom Meeting
    3. Logbook
    4. EF ToDo List
    5. Link-Database
  1. EpicureanFriends - Classical Epicurean Philosophy
  2. Forum
  3. Ancient Texts Relevant To Epicurus
  4. Epicurus - Letters And Works
  • Sidebar
  • Sidebar

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 326 - "Who Cares About Infinite Divisibility? And Why?"   | Website Overview | Forum Navigation Map     | Latest Blog Post: Not a Bunker But A Camp - Epicurean Engagement With Society   

New Graphics: Are You On Team Epicurus? | Comparison Chart: Epicurus vs. Other Philosophies | Chart Of Key Epicurean Quotations 

Welcome to the EpicureanFriends Forums! -- Please be sure that all posts conform to our policies for posting as linked at our Terms of Use page. -----Scroll down to navigate through the forum. ----- You can also: Search by Forum Tags / Search by Forum Shortcuts / Read Featured Threads / Return to Main Forum Board. Not sure where to post? Read our guidance on where to post. To see reference material (and more) visit our Website Navigation Page.

List Of Frequently Used Forums
  1. Ancient Epicurean Texts (300 BC to 300 AD)
  2. The Lucretius Today Podcast and other Projects
  3. Study Resources and Activism
  4. Physics - The Nature of the Universe
  5. Canonics - The Tests of Truth: The Five Senses, Anticipations, and Feelings of Pleasure and Pain
  6. Ethics - How to Live As An Epicurean
  7. Uncategorized Section
  8. Epicurean Books, Articles, and Videos (1500's - Present)
  9. Epicurean Historical Figures - Biographies of Epicureans from Epicurus To The Present
  10. Comparisons With Non-Epicurean Philosophies
  11. History, Locations, and Customs Relevant to Ancient Epicureans
  12. Epicurean Symbolism in Art, Music, Literature, and Poetry
  13. Level 03 And Above Discussions
  14. EpicureanFriends Zoom Meetings
  • RSS Feed
      • Reactions
        • Title
        • Author
        • Date
        • Replies
        • Reactions
        • Views
        • Last Reply
    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
      5.1k
      2
    3. Godfrey

      January 16, 2021 at 5:13 PM
    1. PD02 - General Commentary - Doctrine 2

      • Cassius
      • April 29, 2015 at 10:09 PM
      • Cassius
      • April 29, 2015 at 10:09 PM
    2. Replies
      0
      Views
      2.3k
    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
      4.7k
      3
    3. Bryan

      January 16, 2021 at 11:38 AM
    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
      2.3k
    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
      3.6k
    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
      4.4k
      3
    3. Bryan

      January 11, 2021 at 9:39 PM
    1. PD40 - An Alternate translation

      • palexiou
      • May 17, 2015 at 9:14 AM
      • palexiou
      • May 17, 2015 at 9:14 AM
    2. Replies
      0
      Views
      2.5k
    1. PD18 - On the Limit of Mental Pleasure

      • Cassius
      • June 23, 2015 at 9:42 AM
      • Cassius
      • June 23, 2015 at 9:42 AM
    2. Replies
      0
      Views
      2.7k
    1. PD07 - Post By EP - "Darius" by CP Cavafy

      • Cassius
      • September 24, 2016 at 3:09 PM
      • Cassius
      • September 24, 2016 at 3:09 PM
    2. Replies
      0
      Views
      2.6k
    1. PD32 - "Rights" - Animal Rights and Human Rights

      • Cassius
      • October 17, 2016 at 9:22 AM
      • Cassius
      • October 17, 2016 at 9:22 AM
    2. Replies
      0
      Views
      2.6k
    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
      5k
      2
    3. Cassius

      March 9, 2017 at 11:13 AM
    1. PD08 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:38 AM
      • Cassius
      • November 19, 2017 at 11:38 AM
    2. Replies
      0
      Views
      2.2k
    1. PD09 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:38 AM
      • Cassius
      • November 19, 2017 at 11:38 AM
    2. Replies
      0
      Views
      2.3k
    1. PD10 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:39 AM
      • Cassius
      • November 19, 2017 at 11:39 AM
    2. Replies
      0
      Views
      2.3k
    1. PD11 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:39 AM
      • Cassius
      • November 19, 2017 at 11:39 AM
    2. Replies
      0
      Views
      2.9k
    1. PD12 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:39 AM
      • Cassius
      • November 19, 2017 at 11:39 AM
    2. Replies
      0
      Views
      2.7k
    1. PD13 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:40 AM
      • Cassius
      • November 19, 2017 at 11:40 AM
    2. Replies
      0
      Views
      2.6k
    1. PD14 - Alternate Translations 31

      • Cassius
      • November 19, 2017 at 11:40 AM
      • Cassius
      • September 7, 2021 at 6:25 PM
    2. Replies
      31
      Views
      19k
      31
    3. Godfrey

      September 7, 2021 at 6:25 PM
    1. PD15 - 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. PD16 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:40 AM
      • Cassius
      • November 19, 2017 at 11:40 AM
    2. Replies
      0
      Views
      2.3k
    1. PD17 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:41 AM
      • Cassius
      • November 19, 2017 at 11:41 AM
    2. Replies
      0
      Views
      2.5k
    1. PD19 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:41 AM
      • Cassius
      • November 19, 2017 at 11:41 AM
    2. Replies
      0
      Views
      2.7k
    1. PD20 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:41 AM
      • Cassius
      • November 19, 2017 at 11:41 AM
    2. Replies
      0
      Views
      2.6k
    1. PD21 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:41 AM
      • Cassius
      • November 19, 2017 at 11:41 AM
    2. Replies
      0
      Views
      2.9k
    1. PD22 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:42 AM
      • Cassius
      • November 19, 2017 at 11:42 AM
    2. Replies
      0
      Views
      2.7k
    1. PD23 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:42 AM
      • Cassius
      • November 19, 2017 at 11:42 AM
    2. Replies
      0
      Views
      2.9k
    1. PD06 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:44 AM
      • Cassius
      • November 19, 2017 at 11:44 AM
    2. Replies
      0
      Views
      2.2k
    1. PD25 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:44 AM
      • Cassius
      • November 19, 2017 at 11:44 AM
    2. Replies
      0
      Views
      2.8k
    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
      3.7k
      1
    3. Kalosyni

      November 12, 2023 at 2:53 PM
    1. PD27 - Alternate Translations

      • Cassius
      • November 19, 2017 at 11:45 AM
      • Cassius
      • November 19, 2017 at 11:45 AM
    2. Replies
      0
      Views
      2.8k

Display Options

Finding Things At EpicureanFriends.com

Here is a list of suggested search strategies:

  • Website Overview page - clickable links arrranged by cards.
  • Forum Main Page - list of forums and subforums arranged by topic. Threads are posted according to relevant topics. The "Uncategorized subforum" contains threads which do not fall into any existing topic (also contains older "unfiled" threads which will soon be moved).
  • Search Tool - icon is located on the top right of every page. Note that the search box asks you what section of the forum you'd like to search. If you don't know, select "Everywhere."
  • Search By Key Tags - curated to show frequently-searched topics.
  • Full Tag List - an alphabetical list of all tags.

Resources

  1. Getting Started At EpicureanFriends
  2. Community Standards And Posting Policies
  3. The Major Doctrines of Classical Epicurean Philosophy
  4. Introductory Videos
  5. Wiki
  6. Lucretius Today Podcast
    1. Podcast Episode Guide
  7. Key Epicurean Texts
    1. Chart Of Key Quotes
    2. Outline Of Key Quotes
    3. Side-By-Side Diogenes Laertius X (Bio And All Key Writings of Epicurus)
    4. Side-By-Side Lucretius - On The Nature Of Things
    5. Side-By-Side Torquatus On Ethics
    6. Side-By-Side Velleius on Divinity
    7. Lucretius Topical Outline
    8. Usener Fragment Collection
  8. Frequently Asked Questions
    1. FAQ Discussions
  9. Full List of Forums
    1. Physics Discussions
    2. Canonics Discussions
    3. Ethics Discussions
    4. All Recent Forum Activities
  10. Image Gallery
  11. Featured Articles
  12. Featured Blog Posts
  13. Quiz Section
  14. Activities Calendar
  15. Special Resource Pages
  16. File Database
  17. Site Map
    1. Home

Frequently Used Forums

  • Frequently Asked / Introductory Questions
  • News And Announcements
  • Lucretius Today Podcast
  • Physics (The Nature of the Universe)
  • Canonics (The Tests Of Truth)
  • Ethics (How To Live)
  • Against Determinism
  • Against Skepticism
  • The "Meaning of Life" Question
  • Uncategorized Discussion
  • Comparisons With Other Philosophies
  • Historical Figures
  • Ancient Texts
  • Decline of The Ancient Epicurean Age
  • Unsolved Questions of Epicurean History
  • Welcome New Participants
  • Events - Activism - Outreach
  • Full Forum List

Latest Posts

  • Happy Birthday General Thread

    Cassius April 1, 2026 at 4:05 AM
  • Article: Not A Bunker But A Camp: A Response To “The Garden or the Forum”

    Cassius March 31, 2026 at 9:29 PM
  • Good and Bad Desire and Doubt In Epicurean Philosophy

    Patrikios March 31, 2026 at 5:43 PM
  • Discussion of Blog Article - "Reality Does Not Require Being Eternally The Same"

    Cassius March 31, 2026 at 3:20 PM
  • Use Of The Term "Metaphysics" In Discussing Epicurus

    Julia March 31, 2026 at 8:22 AM
  • Welcome Page259!

    Eikadistes March 29, 2026 at 10:12 PM
  • Connecting Thought With Atoms - Emergence, Downward Causation (From The Macroscopic To The Atomic), and Epicurus

    Cassius March 29, 2026 at 4:27 PM
  • Sunday March 29, 2026 - Zoom Meeting - Lucretius Book Review - This Week: A Quick Look At Sedley's "Epicurean Anti-Reductionism"

    Cassius March 29, 2026 at 12:19 PM
  • Episode 327 - EATAQ 09 - Cashing In On Dividing Nature Into Active And Passive Components - The False Assertion of Intelligent Design

    Cassius March 28, 2026 at 10:29 AM
  • New "TWENTIERS" Website

    Don March 28, 2026 at 7:01 AM

Frequently Used Tags

In addition to posting in the appropriate forums, participants are encouraged to reference the following tags in their posts:

  • #Physics
    • #Atomism
    • #Gods
    • #Images
    • #Infinity
    • #Eternity
    • #Life
    • #Death
  • #Canonics
    • #Knowledge
    • #Scepticism
  • #Ethics

    • #Pleasure
    • #Pain
    • #Engagement
    • #EpicureanLiving
    • #Happiness
    • #Virtue
      • #Wisdom
      • #Temperance
      • #Courage
      • #Justice
      • #Honesty
      • #Faith (Confidence)
      • #Suavity
      • #Consideration
      • #Hope
      • #Gratitude
      • #Friendship



Click Here To Search All Tags

To Suggest Additions To This List Click Here

Newest Members

  • QuietCompanion

    March 29, 2026 at 10:16 AM
  • Tpamike

    March 25, 2026 at 10:40 PM
  • j.tycherne

    March 25, 2026 at 5:54 PM
  • timotheus

    March 22, 2026 at 9:54 AM
  • m.dango

    March 21, 2026 at 11:19 AM

Statistics

  • 112 Threads
  • 910 Posts (0.23 Posts per Day)

EpicureanFriends - Classical Epicurean Philosophy

  1. Home
    1. About Us
    2. Classical Epicurean Philosophy
  2. Wiki
    1. Getting Started
  3. Frequently Asked Questions
    1. Site Map
  4. Forum
    1. Latest Threads
    2. Featured Threads
    3. Unread Posts
  5. Texts
    1. Core Texts
    2. Biography of Epicurus
    3. Lucretius
  6. Articles
    1. Latest Articles
  7. Gallery
    1. Featured Images
  8. Calendar
    1. This Month At EpicureanFriends
Powered by WoltLab Suite™ 6.0.24
Style: Inspire by cls-design
Stylename
Inspire
Manufacturer
cls-design
Licence
Commercial styles
Help
Supportforum
Visit cls-design