---
title: "10 Natural Quotes By Ronald Fisher"
description: "10 Natural quotes by Ronald Fisher. Plus more from Ronald Fisher and more Natural sayings from other authors."
image: "https://sms4smile.com/quotes/i/f9f/ronald-fisher-14852_biology_natural-selection-is-not-evolution-36772_367722.png"
---

> [Natural selection is not evolution.](https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-not-evolution/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/f9f/ronald-fisher-14852_biology_natural-selection-is-not-evolution-36772_367722.png)

> [In scientific subjects, the natural remedy for dogmatism has been found in research.](https://sms4smile.com/quotes/ronald-fisher/in-scientific-subjects-the-natural-remedy-for-dogmatism-has-been/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/a80/ronald-fisher-14852_dogmatism_in-scientific-subjects-the-natural-remed_2212839.png)

> [Natural selection is a mechanism for generating an exceedingly high degree of improbability.](https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-a-mechanism-for-generating-an-exceedingly-high/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/656/ronald-fisher-14852_evolution_natural-selection-is-a-mechanism-for-gen_1599817.png)

> [I believe sanity and realism can be restored to the teaching of Mathematical Statistics most easily and directly by entrusting such teaching…](https://sms4smile.com/quotes/ronald-fisher/i-believe-sanity-and-realism-can-be-restored-to-the-teaching-of/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/2a8/ronald-fisher-14852_believe_i-believe-sanity-and-realism-can-be-rest_2724641.png)

> [We may consequently state the fundamental theorem of Natural Selection in the form: The rate of increase in fitness of any organism…](https://sms4smile.com/quotes/ronald-fisher/we-may-consequently-state-the-fundamental-theorem-of-natural/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/ef9/ronald-fisher-14852_biology_we-may-consequently-state-the-fundamenta_1553515.jpg)

> [No aphorism is more frequently repeated in connection with field trials, than that we must ask Nature few questions, or, ideally, one…](https://sms4smile.com/quotes/ronald-fisher/no-aphorism-is-more-frequently-repeated-in-connection-with-field/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/632/ronald-fisher-14852_answers_no-aphorism-is-more-frequently-repeated_659940.jpg)

> [Professor Eddington has recently remarked that 'The law that entropy always increases - the second law of thermodynamics - holds, I think,…](https://sms4smile.com/quotes/ronald-fisher/professor-eddington-has-recently-remarked-that-the-law-that-entropy/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/ba5/ronald-fisher-14852_biological-science_professor-eddington-has-recently-remarke_3010389.jpg)

> [No isolated experiment, however significant in itself, can suffice for the experimental demonstration of any natural phenomenon; for the "one chance in…](https://sms4smile.com/quotes/ronald-fisher/no-isolated-experiment-however-significant-in-itself-can-suffice-for/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/2b6/ronald-fisher-14852_appropriate_no-isolated-experiment-however-significa_2218951.jpg)

> [It was Darwin's chief contribution, not only to Biology but to the whole of natural science, to have brought to light a…](https://sms4smile.com/quotes/ronald-fisher/it-was-darwin-s-chief-contribution-not-only-to-biology-but-to-the/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/848/ronald-fisher-14852_biology_it-was-darwin-s-chief-contribution-not-o_968711.jpg)

> [Natural Selection is not Evolution. Yet, ever since the two words have been in common use, the theory of Natural Selection has…](https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-not-evolution-yet-ever-since-the-two-words-have/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

[Image](https://sms4smile.com/quotes/i/ad0/ronald-fisher-14852_abbreviations_natural-selection-is-not-evolution-yet-e_2411870.jpg)

## Other authors on Natural

## More by Ronald Fisher

> [ \[Coining the phrase "test of significance"\] Critical tests of this kind may be called tests of significance, and when such tests are available we… ](https://sms4smile.com/quotes/ronald-fisher/coining-the-phrase-test-of-significance-critical-tests-of-this-kind/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [We can set no limit to human potentialities; all that is best in man can be bettered; it is not a question of producing…](https://sms4smile.com/quotes/ronald-fisher/we-can-set-no-limit-to-human-potentialities-all-that-is-best-in-man/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [If ... we choose a group of social phenomena with no antecedent knowledge of the causation or absence of causation among them, then the…](https://sms4smile.com/quotes/ronald-fisher/if-we-choose-a-group-of-social-phenomena-with-no-antecedent-knowledge/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [The statistician cannot evade the responsibility for understanding the process he applies or recommends.](https://sms4smile.com/quotes/ronald-fisher/the-statistician-cannot-evade-the-responsibility-for-understanding/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [Modern statisticians are familiar with the notion that any finite body of data contains only a limited amount of information on any point under…](https://sms4smile.com/quotes/ronald-fisher/modern-statisticians-are-familiar-with-the-notion-that-any-finite/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [The academic mind, as we know, is sometimes capable of assuming an aggressive attitude. The official mind, on the contrary, is and has to…](https://sms4smile.com/quotes/ronald-fisher/the-academic-mind-as-we-know-is-sometimes-capable-of-assuming-an/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [However, perhaps the main point is that you are under no obligation to analyse variance into its parts if it does not come apart…](https://sms4smile.com/quotes/ronald-fisher/however-perhaps-the-main-point-is-that-you-are-under-no-obligation-to/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [... no scientific worker has a fixed level of significance at which from year to year, and in all circumstances, he rejects hypotheses; he…](https://sms4smile.com/quotes/ronald-fisher/no-scientific-worker-has-a-fixed-level-of-significance-at-which-from/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [The analysis of variance is not a mathematical theorem, but rather a convenient method of arranging the arithmetic.](https://sms4smile.com/quotes/ronald-fisher/the-analysis-of-variance-is-not-a-mathematical-theorem-but-rather-a/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [Natural selection is not evolution.](https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-not-evolution/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [The best causes tend to attract to their support the worst arguments, which seems to be equally true in the intellectual and in the…](https://sms4smile.com/quotes/ronald-fisher/the-best-causes-tend-to-attract-to-their-support-the-worst-arguments/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [If one in twenty does not seem high enough odds, we may, if we prefer it, draw the line at one in fifty (the…](https://sms4smile.com/quotes/ronald-fisher/if-one-in-twenty-does-not-seem-high-enough-odds-we-may-if-we-prefer/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [No aphorism is more frequently repeated in connection with field trials, than that we must ask Nature few questions, or, ideally, one question, at…](https://sms4smile.com/quotes/ronald-fisher/no-aphorism-is-more-frequently-repeated-in-connection-with-field/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [We have the duty of formulating, of summarizing, and of communicating our conclusions, in intelligible form, in recognition of the right of other free…](https://sms4smile.com/quotes/ronald-fisher/we-have-the-duty-of-formulating-of-summarizing-and-of-communicating/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

> [Fairly large print is a real antidote to stiff reading.](https://sms4smile.com/quotes/ronald-fisher/fairly-large-print-is-a-real-antidote-to-stiff-reading/)

[Ronald Fisher](https://sms4smile.com/quotes/author/ronald-fisher/)

```json
{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "ItemList",
            "@id": "https://sms4smile.com/quotes/about/natural/ronald-fisher/#itemlist",
            "name": "10 Natural Quotes By Ronald Fisher",
            "numberOfItems": 10,
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "item": {
                        "@type": "Quotation",
                        "text": "Natural selection is not evolution.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-not-evolution/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/f9f/ronald-fisher-14852_biology_natural-selection-is-not-evolution-36772_367722.png",
                            "contentUrl": "https://sms4smile.com/quotes/i/f9f/ronald-fisher-14852_biology_natural-selection-is-not-evolution-36772_367722.png",
                            "url": "https://sms4smile.com/quotes/i/f9f/ronald-fisher-14852_biology_natural-selection-is-not-evolution-36772_367722.png",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“Natural selection is not evolution.” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 2,
                    "item": {
                        "@type": "Quotation",
                        "text": "In scientific subjects, the natural remedy for dogmatism has been found in research.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/in-scientific-subjects-the-natural-remedy-for-dogmatism-has-been/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/a80/ronald-fisher-14852_dogmatism_in-scientific-subjects-the-natural-remed_2212839.png",
                            "contentUrl": "https://sms4smile.com/quotes/i/a80/ronald-fisher-14852_dogmatism_in-scientific-subjects-the-natural-remed_2212839.png",
                            "url": "https://sms4smile.com/quotes/i/a80/ronald-fisher-14852_dogmatism_in-scientific-subjects-the-natural-remed_2212839.png",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“In scientific subjects, the natural remedy for dogmatism has been found in research.” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 3,
                    "item": {
                        "@type": "Quotation",
                        "text": "Natural selection is a mechanism for generating an exceedingly high degree of improbability.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-a-mechanism-for-generating-an-exceedingly-high/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/656/ronald-fisher-14852_evolution_natural-selection-is-a-mechanism-for-gen_1599817.png",
                            "contentUrl": "https://sms4smile.com/quotes/i/656/ronald-fisher-14852_evolution_natural-selection-is-a-mechanism-for-gen_1599817.png",
                            "url": "https://sms4smile.com/quotes/i/656/ronald-fisher-14852_evolution_natural-selection-is-a-mechanism-for-gen_1599817.png",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“Natural selection is a mechanism for generating an exceedingly high degree of improbability.” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 4,
                    "item": {
                        "@type": "Quotation",
                        "text": "I believe sanity and realism can be restored to the teaching of Mathematical Statistics most easily and directly by entrusting such teaching largely to men and women who have had personal experience of research in the Natural Sciences.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/i-believe-sanity-and-realism-can-be-restored-to-the-teaching-of/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/2a8/ronald-fisher-14852_believe_i-believe-sanity-and-realism-can-be-rest_2724641.png",
                            "contentUrl": "https://sms4smile.com/quotes/i/2a8/ronald-fisher-14852_believe_i-believe-sanity-and-realism-can-be-rest_2724641.png",
                            "url": "https://sms4smile.com/quotes/i/2a8/ronald-fisher-14852_believe_i-believe-sanity-and-realism-can-be-rest_2724641.png",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“I believe sanity and realism can be restored to the teaching of Mathematical Statistics most easily and…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 5,
                    "item": {
                        "@type": "Quotation",
                        "text": "We may consequently state the fundamental theorem of Natural Selection in the form: The rate of increase in fitness of any organism at any time is equal to its genetic variance in fitness at that time.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/we-may-consequently-state-the-fundamental-theorem-of-natural/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/ef9/ronald-fisher-14852_biology_we-may-consequently-state-the-fundamenta_1553515.jpg",
                            "contentUrl": "https://sms4smile.com/quotes/i/ef9/ronald-fisher-14852_biology_we-may-consequently-state-the-fundamenta_1553515.jpg",
                            "url": "https://sms4smile.com/quotes/i/ef9/ronald-fisher-14852_biology_we-may-consequently-state-the-fundamenta_1553515.jpg",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“We may consequently state the fundamental theorem of Natural Selection in the form: The rate of increase in…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 6,
                    "item": {
                        "@type": "Quotation",
                        "text": "No aphorism is more frequently repeated in connection with field trials, than that we must ask Nature few questions, or, ideally, one question, at a time. The writer is convinced that this view is wholly mistaken. Nature, he suggests, will best respond to a logical and carefully thought out questionnaire; indeed, if we ask her a single question, she will often refuse to answer until some other topic has been discussed.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/no-aphorism-is-more-frequently-repeated-in-connection-with-field/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/632/ronald-fisher-14852_answers_no-aphorism-is-more-frequently-repeated_659940.jpg",
                            "contentUrl": "https://sms4smile.com/quotes/i/632/ronald-fisher-14852_answers_no-aphorism-is-more-frequently-repeated_659940.jpg",
                            "url": "https://sms4smile.com/quotes/i/632/ronald-fisher-14852_answers_no-aphorism-is-more-frequently-repeated_659940.jpg",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“No aphorism is more frequently repeated in connection with field trials, than that we must ask Nature few…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 7,
                    "item": {
                        "@type": "Quotation",
                        "text": "Professor Eddington has recently remarked that 'The law that entropy always increases - the second law of thermodynamics - holds, I think, the supreme position among the laws of nature'. It is not a little instructive that so similar a law [the fundamental theorem of natural selection] should hold the supreme position among the biological sciences.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/professor-eddington-has-recently-remarked-that-the-law-that-entropy/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/ba5/ronald-fisher-14852_biological-science_professor-eddington-has-recently-remarke_3010389.jpg",
                            "contentUrl": "https://sms4smile.com/quotes/i/ba5/ronald-fisher-14852_biological-science_professor-eddington-has-recently-remarke_3010389.jpg",
                            "url": "https://sms4smile.com/quotes/i/ba5/ronald-fisher-14852_biological-science_professor-eddington-has-recently-remarke_3010389.jpg",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“Professor Eddington has recently remarked that 'The law that entropy always increases - the second law of…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 8,
                    "item": {
                        "@type": "Quotation",
                        "text": "No isolated experiment, however significant in itself, can suffice for the experimental demonstration of any natural phenomenon; for the \"one chance in a million\" will undoubtedly occur, with no less and no more than its appropriate frequency, however surprised we may be that it should occur to us.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/no-isolated-experiment-however-significant-in-itself-can-suffice-for/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/2b6/ronald-fisher-14852_appropriate_no-isolated-experiment-however-significa_2218951.jpg",
                            "contentUrl": "https://sms4smile.com/quotes/i/2b6/ronald-fisher-14852_appropriate_no-isolated-experiment-however-significa_2218951.jpg",
                            "url": "https://sms4smile.com/quotes/i/2b6/ronald-fisher-14852_appropriate_no-isolated-experiment-however-significa_2218951.jpg",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“No isolated experiment, however significant in itself, can suffice for the experimental demonstration of any…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 9,
                    "item": {
                        "@type": "Quotation",
                        "text": "It was Darwin's chief contribution, not only to Biology but to the whole of natural science, to have brought to light a process by which contingencies a priori improbable are given, in the process of time, an increasing probability, until it is their non-occurrence, rather than their occurrence, which becomes highly improbable.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/it-was-darwin-s-chief-contribution-not-only-to-biology-but-to-the/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/848/ronald-fisher-14852_biology_it-was-darwin-s-chief-contribution-not-o_968711.jpg",
                            "contentUrl": "https://sms4smile.com/quotes/i/848/ronald-fisher-14852_biology_it-was-darwin-s-chief-contribution-not-o_968711.jpg",
                            "url": "https://sms4smile.com/quotes/i/848/ronald-fisher-14852_biology_it-was-darwin-s-chief-contribution-not-o_968711.jpg",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“It was Darwin's chief contribution, not only to Biology but to the whole of natural science, to have brought…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                },
                {
                    "@type": "ListItem",
                    "position": 10,
                    "item": {
                        "@type": "Quotation",
                        "text": "Natural Selection is not Evolution. Yet, ever since the two words have been in common use, the theory of Natural Selection has been employed as a convenient abbreviation for the theory of Evolution by means of Natural Selection, put forward by Darwin and Wallace. This has had the unfortunate consequence that the theory of Natural Selection itself has scarcely ever, if ever, received separate consideration.",
                        "creator": {
                            "@type": "Person",
                            "name": "Ronald Fisher"
                        },
                        "url": "https://sms4smile.com/quotes/ronald-fisher/natural-selection-is-not-evolution-yet-ever-since-the-two-words-have/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/ad0/ronald-fisher-14852_abbreviations_natural-selection-is-not-evolution-yet-e_2411870.jpg",
                            "contentUrl": "https://sms4smile.com/quotes/i/ad0/ronald-fisher-14852_abbreviations_natural-selection-is-not-evolution-yet-e_2411870.jpg",
                            "url": "https://sms4smile.com/quotes/i/ad0/ronald-fisher-14852_abbreviations_natural-selection-is-not-evolution-yet-e_2411870.jpg",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“Natural Selection is not Evolution. Yet, ever since the two words have been in common use, the theory of…” — Ronald Fisher",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                }
            ]
        },
        {
            "@type": "CollectionPage",
            "@id": "https://sms4smile.com/quotes/about/natural/ronald-fisher/#webpage",
            "url": "https://sms4smile.com/quotes/about/natural/ronald-fisher/",
            "name": "Natural Quotes by Ronald Fisher",
            "isPartOf": {
                "@id": "https://sms4smile.com/quotes/#website"
            },
            "mainEntity": {
                "@id": "https://sms4smile.com/quotes/about/natural/ronald-fisher/#itemlist"
            },
            "primaryImageOfPage": {
                "@id": "https://sms4smile.com/quotes/i/f9f/ronald-fisher-14852_biology_natural-selection-is-not-evolution-36772_367722.png"
            },
            "description": "10 Natural quotes by Ronald Fisher. Plus more from Ronald Fisher and more Natural sayings from other authors.",
            "breadcrumb": {
                "@id": "https://sms4smile.com/quotes/about/natural/ronald-fisher/#breadcrumb"
            }
        },
        {
            "@type": "BreadcrumbList",
            "@id": "https://sms4smile.com/quotes/about/natural/ronald-fisher/#breadcrumb",
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "name": "Home",
                    "item": "https://sms4smile.com/"
                },
                {
                    "@type": "ListItem",
                    "position": 2,
                    "name": "Quotes",
                    "item": "https://sms4smile.com/quotes/"
                },
                {
                    "@type": "ListItem",
                    "position": 3,
                    "name": "Topics",
                    "item": "https://sms4smile.com/quotes/categories/"
                },
                {
                    "@type": "ListItem",
                    "position": 4,
                    "name": "Natural",
                    "item": "https://sms4smile.com/quotes/about/natural/"
                },
                {
                    "@type": "ListItem",
                    "position": 5,
                    "name": "Ronald Fisher",
                    "item": "https://sms4smile.com/quotes/about/natural/ronald-fisher/"
                }
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://sms4smile.com/quotes/#website",
            "name": "SMS4Smile Quotes",
            "url": "https://sms4smile.com/quotes/",
            "publisher": {
                "@id": "https://sms4smile.com/quotes/#organization"
            }
        },
        {
            "@type": "Organization",
            "@id": "https://sms4smile.com/quotes/#organization",
            "name": "SMS4Smile Quotes",
            "url": "https://sms4smile.com/quotes/",
            "logo": {
                "@type": "ImageObject",
                "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png",
                "width": 512,
                "height": 512
            }
        }
    ]
}
```