Q0021
“Of all that wisdom provides for the happiness of a whole life,…” — Epicurus (Principal Doctrines XXVII)
Verified English quotation. Primary source: Principal Doctrines XXVII. Theme: wisdom.
English
Of all that wisdom provides for the happiness of a whole life, by far the greatest is the possession of friendship.
Source and attribution
The archive attributes this English wording to Principal Doctrines XXVII and files it under Epicureanism. That locator distinguishes the passage from loose internet attributions: readers can return to the named work or section to check translation, surrounding argument, and edition-specific wording.
About Epicurus
Epicurus (341–270 BCE) founded the Garden school in Athens, teaching atomist physics and a therapy of desire aimed at ataraxia. He admitted women and slaves as students and wrote extensively; most works are lost, leaving letters and maxims plus Lucretius’s later poem.
How to read this passage
Unlike mere information, wisdom concerns judgment. Ancient schools linked it to virtue, moderation, and the right relation to desire. This passage enters that discussion through wisdom, happiness.
Concepts in this quote
- Wisdom
- Wisdom is practical insight under uncertainty: knowing what matters, what one does not know, and how to act without false certainty.
- Happiness
- Happiness—or flourishing—is a central aim in ethics: what makes a life go well, and whether pleasure alone is enough.
How to cite this quotation
APA: Epicurus. (n.d.). Of all that wisdom provides for the happiness of a whole life, by far the greatest is the possession of friendship. In Philosophy Blind Box. https://www.philosophydef.com/quotes/q0021
MLA: Epicurus. “Of all that wisdom provides for the happiness….” Philosophy Blind Box, https://www.philosophydef.com/quotes/q0021.
Chicago: Epicurus. “Of all that wisdom provides for the happiness….” Philosophy Blind Box. Accessed 2026. https://www.philosophydef.com/quotes/q0021.
Frequently asked questions
What is the source of the quotation “Of all that wisdom provides for the happiness…”?
The passage is attributed to Epicurus, Principal Doctrines XXVII. The archive attributes this English wording to Principal Doctrines XXVII and files it under Epicureanism. That locator distinguishes the passage from loose internet attributions: readers can return to the named work or section to check translation, surrounding argument, and edition-specific wording.
What does Epicurus mean by wisdom?
Unlike mere information, wisdom concerns judgment. Ancient schools linked it to virtue, moderation, and the right relation to desire. This passage enters that discussion through wisdom, happiness.