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Who really said it

Nature to be commanded must be obeyed

Written by Francis Bacon 1561–1626 · English philosopher, statesman & Lord Chancellor of England
Verified Free to reuse

Bacon wrote it — but in Latin. The sentence is Novum Organum (1620), Book I, Aphorism 3: “Natura enim non nisi parendo vincitur.” The familiar English wording is James Spedding’s, printed in The Works of Francis Bacon, vol. 4 ↗ at page 47, and Wikiquote files it in its sourced section at the same aphorism.

Last verified 7 Aug 2026 · how we verify · spot an error?

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“Nature to be commanded must be obeyed” Francis Bacon, Novum Organum (1620), Book I, Aphorism 3. Bacon wrote it in Latin ("Natura enim non nisi parendo vincitur"); this English wording is James Spedding's, in The Works of Francis Bacon, vol. 4 (London: Longmans, 1858), p. 47. Verified at Quotle.info · Verbatim: “Nature to be commanded must be obeyed; and that which in contemplation is as the cause is in operation as the rule.”

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Provenance

The source

Work
Novum Organum
Location
Book I, Aphorism 3 (of the Instauratio Magna, Part II)
First published
1620, in Latin
Translation
James Spedding et al., in The Works of Francis Bacon, vol. 4 (London: Longmans, 1858), p. 47

Human knowledge and human power meet in one; for where the cause is not known the effect cannot be produced. Nature to be commanded must be obeyed; and that which in contemplation is as the cause is in operation as the rule. 1620 · Latin · Book I, Aphorism 3

Aphorism III in full, in the Spedding translation. Bacon’s Latin: Scientia et potentia humana in idem coincidunt, quia ignoratio causae destituit effectum. Natura enim non nisi parendo vincitur: et quod in contemplatione instar causae est, id in operatione instar regulae est.

Novum Organum, Book I (Spedding translation) at Wikisource

How we checked it

  • Started with the specialists. Quote Investigator has no entry for this line, so the anchor is Wikiquote, which lists it in its sourced Novum Organum (1620) section ↗ and cites Book I, Aphorism 3.
  • Read the English text itself. The Spedding translation at Wikisource ↗ carries the sentence verbatim inside Aphorism III, and the page’s inline pagination puts it on p. 47 of volume 4.
  • Checked the Latin. The Latin text of Book I ↗ gives Aphorism III as Natura enim non nisi parendo vincitur — confirming Bacon wrote the thought, and that “commanded” is the translator’s word.
  • Tested the wording against a second translation. Joseph Devey’s 1902 edition ↗ renders the same clause “nature is only subdued by submission,” which is how we know the memorable phrasing is a translation choice rather than a fixed feature of the original.
Public domain

Both layers are clear. Bacon’s Latin Novum Organum was first published in 1620, and the exact English wording quoted here comes from the Spedding, Ellis and Heath edition of The Works of Francis Bacon, vol. 4, published in London in 1858 — well before the 1931 US copyright cutoff, so the translation is public domain in its own right. Quote it freely; a modern translation of the same aphorism would not be.

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

What gets garbled

The attribution to Bacon is solid — unusually so for a line this quotable. What travels loose is the wording, and occasionally the messenger.

James Spedding, not Bacon translator’s wording

Bacon wrote in Latin: Natura enim non nisi parendo vincitur — nearer to “for nature is not conquered except by obeying” (Latin text ↗). The proverb-shaped English is Spedding’s. Joseph Devey’s 1902 translation renders the identical clause “nature is only subdued by submission ↗” — same Bacon, no proverb.

Henry Adams quoting, not coining

Goodreads credits “Nature, to be commanded, must be obeyed. The imagination must be given not wings but weights.” to Henry Adams, The Education of Henry Adams ↗. In Chapter XXXIII of that book ↗ Adams is plainly quoting someone else — the two sentences sit in quotation marks in a paragraph about “Lord Bacon.” Adams also prints commas round the middle clause; Spedding’s text has none, and the comma’d form is the one that circulates today.

nobody’s exact words loose paraphrase

“The imagination must be given not wings but weights” is not how the Spedding translation reads either. Bacon’s Aphorism CIV says the understanding — not the imagination — “must not therefore be supplied with wings, but rather hung with weights, to keep it from leaping and flying ↗.”

Aphorism 129 of the same book conflation

“We cannot command nature except by obeying her” is a genuinely different sentence, from a different part of Novum Organum — Wikiquote lists it separately at Aphorism 129 ↗, where the Latin runs Naturae enim non imperatur, nisi parendo. Quote sites regularly merge the two or swap one citation for the other.

Bacon wrote the thought, in Latin, in 1620. The English sentence everyone quotes is James Spedding’s rendering of Aphorism 3 ↗.

Context

Why it mattered

Aphorism 3 sits three sentences into the book that tried to restart European thinking from scratch. Bacon’s claim is deliberately deflating: human knowledge and human power are the same thing, because you cannot make an effect happen until you know its cause. Mastery is not a matter of will. It is a matter of submission to how things actually work — and the aphorism ends by making the point twice over, since what functions as a cause in thought functions as a rule in practice.

That was an argument against the magicians and the schoolmen at once. The alchemist commanded nature by incantation; the scholastic deduced it from first principles. Bacon told both that the road ran the other way — observe first, obey what you find, and command follows. Everything in the book after this point is machinery for doing that obeying carefully.

Human knowledge and human power meet in one.

The sentence Bacon actually wrote

The Latin is compressed almost to the point of rudeness: Natura enim non nisi parendo vincitur — literally, for nature is not conquered except by obeying. There is no “commanded” in it and no “must”; vincitur is the vocabulary of conquest, not of command.

Spedding’s “Nature to be commanded must be obeyed” is what turned a dense Latin clause into an English proverb — it balances, it scans, and it is short enough to carve into a lintel. How much of that is Bacon and how much is his Victorian translator is visible the moment you set another translation beside it: Joseph Devey’s 1902 version of the same sentence reads “for nature is only subdued by submission,” which nobody has ever quoted.

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More provenance-checked quotes on the same theme, each with its reuse status.

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Trusted places to keep pulling the thread — primary archives, fact-checks, and scholarship. We show how we used each one before you leave.

Novum Organum, Book I (Spedding translation)en.wikisource.org

The full English text. Aphorism III reads “Nature to be commanded must be obeyed” and the page markers place it on p. 47.
Novum Organum, Liber Primus (Latin original)la.wikisource.org

Bacon’s own Latin. Aphorism III: Natura enim non nisi parendo vincitur.
Francis Bacon — Wikiquoteen.wikiquote.org

Lists the line in its sourced Novum Organum (1620) section, citing Book I, Aphorism 3.
Novum Organum, trans. Joseph Devey (1902)gutenberg.org

A rival translation that renders the same sentence “nature is only subdued by submission” — useful for seeing how much of the famous wording is Spedding’s.
Sir Francis Bacon quotationstodayinsci.com

Pairs the English line with the Latin and cites Spedding, Ellis and Heath, The Works of Francis Bacon, vol. 4, p. 47.
The Education of Henry Adams (full text)gutenberg.org

Chapter XXXIII quotes the line, with commas, while discussing Lord Bacon — the passage that quote sites later re-credited to Adams himself.

The true author

Who was Francis Bacon?

Francis Bacon

1561–1626 · English philosopher, statesman & Lord Chancellor of England

Francis Bacon climbed to Attorney General and then Lord Chancellor of England before falling from office in disgrace — but his lasting work was a demolition job on how people reasoned. Novum Organum (1620) argued that the unaided mind invents patterns nature never had, and that the only cure is patient, instrumented observation. He wrote it in Latin, as Part II of a vast unfinished project he called the Instauratio Magna, and it is the book that made him a pioneer of empirical scientific method.

For writers & researchers

Cite this

Primary source

Francis Bacon, Novum Organum (1620), Book I, Aphorism 3. English text from The Works of Francis Bacon, ed. James Spedding, Robert Leslie Ellis, and Douglas Denon Heath, trans. James Spedding et al., vol. 4 (London: Longmans, 1858), 47.

This verification page

Quotle.info. “Who really said ‘Nature to be commanded must be obeyed’?” Last verified 7 Aug 2026. https://quotle.info/who-said/nature-to-be-commanded-must-be-obeyed/

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