---
title: "11 Biology Quotes By Jacques Monod"
description: "11 Biology quotes by Jacques Monod. Plus more from Jacques Monod and more Biology sayings from other authors."
image: "https://sms4smile.com/quotes/i/185/jacques-monod-18055_aspect_a-curious-aspect-of-the-theory-of-evolut_1351504.jpg"
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> [A curious aspect of the theory of evolution is that everybody thinks he understands it.](https://sms4smile.com/quotes/jacques-monod/a-curious-aspect-of-the-theory-of-evolution-is-that-everybody-thinks/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/185/jacques-monod-18055_aspect_a-curious-aspect-of-the-theory-of-evolut_1351504.jpg)

> [A totally blind process can by definition lead to anything; it can even lead to vision itself.](https://sms4smile.com/quotes/jacques-monod/a-totally-blind-process-can-by-definition-lead-to-anything-it-can/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/f24/jacques-monod-18055_biology_a-totally-blind-process-can-by-definitio_3155010.jpg)

> [“Everything comes from experience; yet not from actual experience, reiterated by each individual with each generation, but instead from experience accumulated by…](https://sms4smile.com/quotes/jacques-monod/everything-comes-from-experience-yet-not-from-actual-experience/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/28d/jacques-monod-18055_biology_everything-comes-from-experience-yet-not_1254599.jpg)

> [Another curious aspect of the theory of evolution is that everybody thinks he understands it. I mean philosophers, social scientists, and so…](https://sms4smile.com/quotes/jacques-monod/another-curious-aspect-of-the-theory-of-evolution-is-that-everybody-2/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/04b/jacques-monod-18055_able_another-curious-aspect-of-the-theory-of_3052803.jpg)

> [“When one ponders on the tremendous journey of evolution over the past three billion years or so, the prodigious wealth of structures…](https://sms4smile.com/quotes/jacques-monod/when-one-ponders-on-the-tremendous-journey-of-evolution-over-the-past/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/272/jacques-monod-18055_biology_when-one-ponders-on-the-tremendous-journ_734688.jpg)

> [The fundamental biological variant is DNA. That is why Mendel's definition of the gene as the unvarying bearer of hereditary traits, its…](https://sms4smile.com/quotes/jacques-monod/the-fundamental-biological-variant-is-dna-that-is-why-mendel-s/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/c10/jacques-monod-18055_bases_the-fundamental-biological-variant-is-dn_496975.jpg)

> [Evolution in the biosphere is therefore a necessarily irreversible process defining a direction in time; a direction which is the same as…](https://sms4smile.com/quotes/jacques-monod/evolution-in-the-biosphere-is-therefore-a-necessarily-irreversible/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/6a4/jacques-monod-18055_biology_evolution-in-the-biosphere-is-therefore_607400.jpg)

> [“It necessarily follows that chance alone is at the source of every innovation, and of all creation in the biosphere. Pure chance,…](https://sms4smile.com/quotes/jacques-monod/it-necessarily-follows-that-chance-alone-is-at-the-source-of-every/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/64e/jacques-monod-18055_anthropocentrism_it-necessarily-follows-that-chance-alone_1212219.jpg)

> [Biology occupies a position among the sciences at once marginal and central. Marginal because-the living world constituting but a tiny and very…](https://sms4smile.com/quotes/jacques-monod/biology-occupies-a-position-among-the-sciences-at-once-marginal-and/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/15b/jacques-monod-18055_aim_biology-occupies-a-position-among-the-sc_1833257.jpg)

> [Chance alone is at the source of every innovaton, of all creation in the biosphere. Pure chance, only chance, absolute but blind…](https://sms4smile.com/quotes/jacques-monod/chance-alone-is-at-the-source-of-every-innovaton-of-all-creation-in/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/e41/jacques-monod-18055_absolutes_chance-alone-is-at-the-source-of-every-i_2600556.jpg)

> [“Among all the occurrences possible in the universe the a priori probability of any particular one of them verges upon zero. Yet…](https://sms4smile.com/quotes/jacques-monod/among-all-the-occurrences-possible-in-the-universe-the-a-priori-2/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

[Image](https://sms4smile.com/quotes/i/f36/jacques-monod-18055_a-priori_among-all-the-occurrences-possible-in-th_2591231.jpg)

## Other authors on Biology

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- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-stephen-jay-gould-87041.jpg) Stephen Jay Gould 40 quotes ](https://sms4smile.com/quotes/about/biology/stephen-jay-gould/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b008/author-e-o-wilson-31102.jpg) E. O. Wilson 29 quotes ](https://sms4smile.com/quotes/about/biology/e-o-wilson/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b001/author-yuval-noah-harari-100.jpg) Yuval Noah Harari 26 quotes ](https://sms4smile.com/quotes/about/biology/yuval-noah-harari/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-siddhartha-mukherjee-85288.jpg) Siddhartha Mukherjee 25 quotes ](https://sms4smile.com/quotes/about/biology/siddhartha-mukherjee/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b006/author-carl-sagan-20994.jpg) Carl Sagan 21 quotes ](https://sms4smile.com/quotes/about/biology/carl-sagan/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b019/author-pierre-teilhard-de-chardin-75655.jpg) Pierre Teilhard de Chardin 20 quotes ](https://sms4smile.com/quotes/about/biology/pierre-teilhard-de-chardin/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b002/author-frances-arnold-5774.jpg) Frances Arnold 20 quotes ](https://sms4smile.com/quotes/about/biology/frances-arnold/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b018/author-neil-degrasse-tyson-70683.jpg) Neil deGrasse Tyson 19 quotes ](https://sms4smile.com/quotes/about/biology/neil-degrasse-tyson/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b005/author-bill-nye-18005.jpg) Bill Nye 18 quotes ](https://sms4smile.com/quotes/about/biology/bill-nye/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-steven-pinker-87519.jpg) Steven Pinker 17 quotes ](https://sms4smile.com/quotes/about/biology/steven-pinker/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b009/author-ernst-mayr-33893.jpg) Ernst Mayr 16 quotes ](https://sms4smile.com/quotes/about/biology/ernst-mayr/)

## More by Jacques Monod

> [One of the great problems of philosophy, is the relationship between the realm of knowledge and the realm of values. Knowledge is what is;…](https://sms4smile.com/quotes/jacques-monod/one-of-the-great-problems-of-philosophy-is-the-relationship-between/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [Modern societies accepted the treasures and the power offered them by science. But they have not accepted - they have scarcely even heard -…](https://sms4smile.com/quotes/jacques-monod/modern-societies-accepted-the-treasures-and-the-power-offered-them-by/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [Man's destiny is nowhere spelled out, nor is his duty.](https://sms4smile.com/quotes/jacques-monod/man-s-destiny-is-nowhere-spelled-out-nor-is-his-duty/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [Among all the occurrences possible in the universe the a priori probability of any particular one of them verges upon zero. Yet the universe…](https://sms4smile.com/quotes/jacques-monod/among-all-the-occurrences-possible-in-the-universe-the-a-priori/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [The fundamental biological variant is DNA. That is why Mendel's definition of the gene as the unvarying bearer of hereditary traits, its chemical identification…](https://sms4smile.com/quotes/jacques-monod/the-fundamental-biological-variant-is-dna-that-is-why-mendel-s/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [In science there is and will remain a Platonic element which could not be taken away without ruining it. Among the infinite diversity of…](https://sms4smile.com/quotes/jacques-monod/in-science-there-is-and-will-remain-a-platonic-element-which-could/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [One may well find oneself beginning to doubt whether all this could conceivably be the product of an enormous lottery presided over by natural…](https://sms4smile.com/quotes/jacques-monod/one-may-well-find-oneself-beginning-to-doubt-whether-all-this-could/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [Even today a good many distinguished minds seem unable to accept or even to understand that from a source of noise natural selection alone…](https://sms4smile.com/quotes/jacques-monod/even-today-a-good-many-distinguished-minds-seem-unable-to-accept-or/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [Every living being is also a fossil. Within it, all the way down to the microscopic structure of its proteins, it bears the traces…](https://sms4smile.com/quotes/jacques-monod/every-living-being-is-also-a-fossil-within-it-all-the-way-down-to-the/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [There are living systems; there is no'living matter'.](https://sms4smile.com/quotes/jacques-monod/there-are-living-systems-there-is-no-living-matter/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [Evolution in the biosphere is therefore a necessarily irreversible process defining a direction in time; a direction which is the same as that enjoined…](https://sms4smile.com/quotes/jacques-monod/evolution-in-the-biosphere-is-therefore-a-necessarily-irreversible/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [“When one ponders on the tremendous journey of evolution over the past three billion years or so, the prodigious wealth of structures it has…](https://sms4smile.com/quotes/jacques-monod/when-one-ponders-on-the-tremendous-journey-of-evolution-over-the-past/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [The future of mankind is going to be decided within the next two generations, and there are two absolute requisites: We must aim at…](https://sms4smile.com/quotes/jacques-monod/the-future-of-mankind-is-going-to-be-decided-within-the-next-two/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [The scientific attitude implies the postulate of objectivity-that is to say, the fundamental postulate that there is no plan; that there is no intention…](https://sms4smile.com/quotes/jacques-monod/the-scientific-attitude-implies-the-postulate-of-objectivity-that-is/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

> [There are living systems; there is no living "matter." No substance, no single molecule, extracted and isolated from a living being possess, of its…](https://sms4smile.com/quotes/jacques-monod/there-are-living-systems-there-is-no-living-matter-no-substance-no/)

[Jacques Monod](https://sms4smile.com/quotes/author/jacques-monod/)

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                        "text": "Another curious aspect of the theory of evolution is that everybody thinks he understands it. I mean philosophers, social scientists, and so on. While in fact very few people understand it, actually, as it stands, even as it stood when Darwin expressed it, and even less as we now may be able to understand it in biology.",
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                        "text": "The fundamental biological variant is DNA. That is why Mendel's definition of the gene as the unvarying bearer of hereditary traits, its chemical identification by Avery (confirmed by Hershey), and the elucidation by Watson and Crick of the structural basis of its replicative invariance, are without any doubt the most important discoveries ever made in biology. To this must be added the theory of natural selection, whose certainty and full significance were established only by those later theories.",
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                        "text": "Evolution in the biosphere is therefore a necessarily irreversible process defining a direction in time; a direction which is the same as that enjoined by the law of increasing entropy, that is to say, the second law of thermodynamics. This is far more than a mere comparison: the second law is founded upon considerations identical to those which establish the irreversibility of evolution. Indeed, it is legitimate to view the irreversibility of evolution as an expression of the second law in the biosphere.",
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                        "text": "“It necessarily follows that chance alone is at the source of every innovation, and of all creation in the biosphere. Pure chance, absolutely free but blind, at the very root of the stupendous edifice of evolution: this central concept of modern biology is no longer one among many other possible or even conceivable hypotheses. It is today the sole conceivable hypothesis, the only one that squares with observed and tested fact. And nothing warrants the supposition - or the hope - that on this score our position is ever likely to be revised. There is no scientific concept, in any of the sciences, more destructive of anthropocentrism than this one.”",
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                        "text": "Biology occupies a position among the sciences at once marginal and central. Marginal because-the living world constituting but a tiny and very \"special\" part of the universe-it does not seem likely that the study of living beings will ever uncover general laws applicable outside the biosphere. But if the ultimate aim of the whole of science is indeed, as I believe, to clarify man's relationship to the universe, then biology must be accorded a central position . . .",
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                        "text": "Chance alone is at the source of every innovaton, of all creation in the biosphere. Pure chance, only chance, absolute but blind liberty is at the root of the prodigious edifice that is evolution... It today is the sole conceivable hypothesis, the only one that squares with observed and tested fact. Stating life began by the chance collision of particles of nucleic acid in the \"prebiotic soup.\"",
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                        "text": "“Among all the occurrences possible in the universe the a priori probability of any particular one of them verges upon zero. Yet the universe exists; particular events must take place in it, the probability of which (before the event) was infinitesimal. At the present time we have no legitimate grounds for either asserting or denying that life got off to but a single start on earth, and that, as a consequence, before it appeared its chances of occurring were next to nil. ... Destiny is written concurrently with the event, not prior to it... The universe was not pregnant with life nor the biosphere with man. Our number came up in the Monte Carlo game. Is it surprising that, like the person who has just made a million at the casino, we should feel strange and a little unreal?”",
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