The passage is real and easy to point at: MeditationsBook IV, section 3, six Greek words — “ὁ κόσμος ἀλλοίωσις, ὁ βίος ὑπόληψις.” What we could not establish is whose English this is. No translation we were able to read renders it this way.
“The universe is change; our life is what our thoughts make it” Marcus Aurelius, Meditations IV.3 (c. 170–180 AD) — English wording as popularly quoted; translator unidentified.
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? We couldn’t establish where this was first published, so there’s no rights status to give. Credit it as shown above — just don’t present it as public domain, and get permission for commercial or published reuse.
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In context
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Provenance
The source
Work
Meditations, Book IV, §3
Written
In Greek, c. 170–180 AD
Greek
ὁ κόσμος ἀλλοίωσις, ὁ βίος ὑπόληψις.
Translation
Unidentified — see the trail below
A second, that all this visible world changes in a moment, and will be no more; and continually bethink thee to the changes of how many things thou hast already been a witness. ‘The Universe—mutation: Life—opinion.’
That is C. R. Haines’ 1916 Loeb rendering of the closing words — one of several very different English versions of the same six Greek words. George Long’s 1862 translation gives “The universe is transformation: life is opinion.”
Wikiquote’s Marcus Aurelius page ↗ places the sentence at Meditations IV.3 and prints the Greek alongside five different English renderings — Long, Rendall, Farquharson, Boulton / David Widger and one credited to “M. H. Morgan”, which is the wording quoted here.
We read George Long’s 1862 translation ↗ directly: at IV.3 it ends “The universe is transformation: life is opinion.” Not this wording.
We could not identify the “M. H. Morgan” translation Wikiquote names. The Internet Archive holds 17 works by the classicist Morris Hicky Morgan ↗ — Vitruvius, Xenophon, Terence, Lysias, Latin grammars — but no Meditations; and the list of “the chief English translations of Marcus Aurelius” printed in the Project Gutenberg Casaubon edition ↗ (Casaubon, Collier, Thomson, Graves, McCormac, Long, Rendall, Jackson) does not include him. That is not proof no such translation exists — only that we could not find it.
The Greek original has been in the public domain for centuries, but rights in a quotation attach to the English translation shown. Because we could not identify which translation produced this wording, we cannot date it, and therefore assert no rights status here. Long (1862) and Haines (1916) are both public domain — but neither is the sentence on this page.
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
Nobody is falsely credited here — Marcus Aurelius wrote the passage. The uncertainty is about whose English is being quoted, which matters more than it sounds: for a Greek author, the sentence people memorise is always a translator’s.
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The wordingAn unidentified translator Translation, not the original
The second half, “our life is what our thoughts make it”, is an interpretive expansion of two Greek words, ὁ βίος ὑπόληψις — literally “life, judgement”. Both Long (1862) ↗ and Haines (1916) ↗ render it as the single word “opinion”.
✕
The creditM. H. Morgan Unconfirmed attribution
Wikiquote ↗ attaches this rendering to “Translation M.H. Morgan”. We were unable to confirm that Morris Hicky Morgan (1859–1910) ever translated the Meditations.
✓The safe statement: Marcus Aurelius wrote this thought at Meditations IV.3 ↗; the English sentence you are reading belongs to a translator we could not name.
Context
Why it mattered
Book IV, section 3 is the famous passage about retreating into yourself — Marcus telling himself that people go looking for houses in the country and stretches of coast when the only retreat that works is inward. These six words are its closing snap, the compressed reason the retreat works at all.
Everything outside you is in flux and will not hold still long enough to be worth your distress; everything inside you is a judgement you are making, and judgements can be revised. That is the whole Stoic move in one line — which is exactly why translators keep reaching for a longer, warmer English sentence than the Greek actually gives them.
Six Greek words. Five English versions, none of them agreeing.
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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. Meditations, Book IV, section 3. Written in Greek, c. 170–180 AD. English wording as quoted: translator unidentified; cf. The Communings with Himself of Marcus Aurelius Antoninus, translated by C. R. Haines (Loeb Classical Library, 1916).
This verification page
Quotle.info. “Who really said ‘The universe is change; our life is what our thoughts make it’?” Last verified 3 Aug 2026. https://quotle.info/who-said/the-universe-is-change-our-life-is-what-our-thoughts-make-it/