Marcus Aurelius wrote this at MeditationsBook X, section 16, and it is one of the shortest entries in the book. The English everyone quotes is closest to C. R. Haines’ 1916 Loeb translation — “Put an end once for all to this discussion of what a good man should be, and be one” — but it is not verbatim Haines, nor any other translation we could read.
“Waste no more time arguing about what a good man should be. Be one” Marcus Aurelius, Meditations X.16 (c. 170–180 AD) — popular English wording; a modern compression of C. R. Haines’ 1916 translation.
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Put an end once for all to this discussion of what a good man should be, and be one.
That is the whole of section 16 in C. R. Haines’ 1916 Loeb translation. The viral version keeps Haines’ “what a good man should be” and his closing “be one”, and replaces his opening clause with the punchier “Waste no more time arguing”.
We read C. R. Haines’ 1916 Loeb translation ↗ directly. Section 16 reads in full: “Put an end once for all to this discussion of what a good man should be, and be one.” The two most distinctive pieces of the popular version — “what a good man should be” and the closing “be one” — are both already there.
They are not in the older standard. George Long’s 1862 translation ↗ renders X.16 as “No longer talk at all about the kind of man that a good man ought to be, but be such” — no “be one”, no “should be”. Long’s wording has its own page here ↗.
So the popular sentence is best described as a tightening of Haines rather than a translation in its own right. We found no published edition that prints it in these words.
Rights in a quotation from a Greek author attach to the English translation quoted. Haines’ 1916 Loeb translation is public domain in the United States, and Long’s 1862 more so — but the sentence on this page is neither of them, and we could not identify who wrote it or when. We therefore assert no rights status.
Rights status is our research, not legal advice — and copyright varies by country and edition. For commercial or published use, confirm with the rightsholder. See terms.
Fact-check
About this wording
Marcus Aurelius is the right author and X.16 is the right passage — this is not a fabricated quote. What has drifted is the English, twice over.
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The wordingA modern tightening of Haines (1916) Paraphrase
Haines wrote “Put an end once for all to this discussion of what a good man should be, and be one” (Loeb, 1916 ↗). The popular version swaps the opening clause for “Waste no more time arguing” and keeps the rest.
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The stray wordSources quoting it “arguing about what” Wording drift
The commonest circulating form, and the one Wikiquote ↗ prints, has no “about”: “Waste no more time arguing what a good man should be. Be one.” Both forms are in wide use.
✓The safe statement: the thought and the passage are Marcus Aurelius’ own, at Meditations X.16 ↗; the memorable English is a modern compression of Haines’ 1916 translation.
Context
Why it mattered
Book X is late, tired and blunt, and section 16 is one of its shortest entries — a single sentence Marcus wrote to himself, not to an audience. He had spent a life among philosophers who could define virtue at length; the note is him losing patience with the definition and going back to the doing.
It is also a small joke at his own expense. The Meditations is, from one angle, twelve books of a man arguing with himself about what a good man should be — and here he is telling himself to stop.
Twelve books arguing what a good man is, interrupted by a note saying stop arguing.
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Filed under
More provenance-checked quotes on the same theme, each with its reuse status.
Marcus Aurelius Antoninus ruled Rome from 161 to 180 AD and wrote the private notebooks we call the Meditations in Greek, mostly on campaign, with no intention of publishing them. Because the text is Greek and the readership is English, almost every famous “Marcus Aurelius quote” is really a translator’s sentence — which is why two people can quote the same passage and share not one word.
For writers & researchers
Cite this
The primary source (Chicago)
Marcus Aurelius. The Communings with Himself of Marcus Aurelius Antoninus, Book X, section 16. Translated by C. R. Haines. Loeb Classical Library. London: William Heinemann, 1916. (The popular English wording is a later compression of this translation; no edition printing it verbatim was located.)
This verification page
Quotle.info. “Who really said ‘Waste no more time arguing about what a good man should be. Be one’?” Last verified 3 Aug 2026. https://quotle.info/who-said/waste-no-more-time-arguing-about-what-a-good-man-should-be/