--- title: "23 Force Quotes By Isaac Newton" description: "23 Force quotes by Isaac Newton. Plus more from Isaac Newton and more Force sayings from other authors." image: "https://sms4smile.com/quotes/i/b84/isaac-newton-1226_bodies-in-motion_a-body-in-motion-tends-to-stay-in-motion_915939.jpg" --- > [A body in motion tends to stay in motion unless acted on by an outside force.](https://sms4smile.com/quotes/isaac-newton/a-body-in-motion-tends-to-stay-in-motion-unless-acted-on-by-an/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/b84/isaac-newton-1226_bodies-in-motion_a-body-in-motion-tends-to-stay-in-motion_915939.jpg) > [When two forces unite, their efficiency double.](https://sms4smile.com/quotes/isaac-newton/when-two-forces-unite-their-efficiency-double/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/52c/isaac-newton-1226_efficiency_when-two-forces-unite-their-efficiency-d_2376595.jpg) > [Bullialdus wrote that all force respecting ye Sun as its center & depending on matter must be reciprocally in a duplicate ratio…](https://sms4smile.com/quotes/isaac-newton/bullialdus-wrote-that-all-force-respecting-ye-sun-as-its-center/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/d93/isaac-newton-1226_distance_bullialdus-wrote-that-all-force-respecti_1403863.jpg) > [An object in motion tends to remain in motion along a straight line unless acted upon by an outside force.](https://sms4smile.com/quotes/isaac-newton/an-object-in-motion-tends-to-remain-in-motion-along-a-straight-line/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg) > [Centripetal force is the force by which bodies are drawn from all sides, are impelled, or in any way tend, toward some…](https://sms4smile.com/quotes/isaac-newton/centripetal-force-is-the-force-by-which-bodies-are-drawn-from-all/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/065/isaac-newton-1226_body_centripetal-force-is-the-force-by-which_1043018.jpg) > [Every particle of matter is attracted by or gravitates to every other particle of matter with a force inversely proportional to the…](https://sms4smile.com/quotes/isaac-newton/every-particle-of-matter-is-attracted-by-or-gravitates-to-every-other/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/33b/isaac-newton-1226_distance_every-particle-of-matter-is-attracted-by_1748529.jpg) > [The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line…](https://sms4smile.com/quotes/isaac-newton/the-alternation-of-motion-is-ever-proportional-to-the-motive-force/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/836/isaac-newton-1226_force_the-alternation-of-motion-is-ever-propor_1281472.jpg) > [I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have not yet…](https://sms4smile.com/quotes/isaac-newton/i-have-explained-the-phenomena-of-the-heavens-and-of-our-sea-by-the/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/b40/isaac-newton-1226_cause_i-have-explained-the-phenomena-of-the-he_1036081.jpg) > [Every body persists in a state of rest or of uniform motion in a straight line, unless it is compelled to change…](https://sms4smile.com/quotes/isaac-newton/every-body-persists-in-a-state-of-rest-or-of-uniform-motion-in-a/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/2d0/isaac-newton-1226_body_every-body-persists-in-a-state-of-rest-o_1059674.jpg) > [The moon gravitates towards the earth and by the force of gravity is continually drawn off from a rectilinear motion and retained…](https://sms4smile.com/quotes/isaac-newton/the-moon-gravitates-towards-the-earth-and-by-the-force-of-gravity-is/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/b61/isaac-newton-1226_earth_the-moon-gravitates-towards-the-earth-an_354984.jpg) > [Qu. 31. Have not the small Particles of Bodies certain Powers, Virtues or Forces, by which they act at a distance, not…](https://sms4smile.com/quotes/isaac-newton/qu-31-have-not-the-small-particles-of-bodies-certain-powers-virtues/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/47f/isaac-newton-1226_body_qu-31-have-not-the-small-particles-of-bo_1780614.jpg) > [Definition of inertia: 'The vis insita, or innate force of matter, is a power of resisting by which every body, as much…](https://sms4smile.com/quotes/isaac-newton/definition-of-inertia-the-vis-insita-or-innate-force-of-matter-is-a/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/a75/isaac-newton-1226_body_definition-of-inertia-the-vis-insita-or_2924518.jpg) > [I have presented principles of philosophy that are not, however, philosophical but strictly mathematical-that is, those on which the study of philosophy…](https://sms4smile.com/quotes/isaac-newton/i-have-presented-principles-of-philosophy-that-are-not-however/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/fbf/isaac-newton-1226_conditions_i-have-presented-principles-of-philosoph_1704196.jpg) > [That one body may act upon another at a distance through a vacuum, without the mediation of any thing else, by and…](https://sms4smile.com/quotes/isaac-newton/that-one-body-may-act-upon-another-at-a-distance-through-a-vacuum/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/cf6/isaac-newton-1226_absurdity_that-one-body-may-act-upon-another-at-a_530027.jpg) > [A Vulgar Mechanick can practice what he has been taught or seen done, but if he is in an error he knows…](https://sms4smile.com/quotes/isaac-newton/a-vulgar-mechanick-can-practice-what-he-has-been-taught-or-seen-done/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/cf7/isaac-newton-1226_able_a-vulgar-mechanick-can-practice-what-he_3156812.jpg) > [By such deductions the law of gravitation is rendered probable, that every particle attracts every other particle with a force which varies…](https://sms4smile.com/quotes/isaac-newton/by-such-deductions-the-law-of-gravitation-is-rendered-probable-that/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/730/isaac-newton-1226_deductions_by-such-deductions-the-law-of-gravitatio_765191.jpg) > [God is able to create particles of matter of several sizes and figures and perhaps of different densities and forces, and thereby…](https://sms4smile.com/quotes/isaac-newton/god-is-able-to-create-particles-of-matter-of-several-sizes-and/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/77b/isaac-newton-1226_able_god-is-able-to-create-particles-of-matte_837926.jpg) > [Our design, not respecting arts, but philosophy, and our subject, not manual, but natural powers, we consider chiefly those things which relate…](https://sms4smile.com/quotes/isaac-newton/our-design-not-respecting-arts-but-philosophy-and-our-subject-not/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/8a3/isaac-newton-1226_art_our-design-not-respecting-arts-but-philo_584176.jpg) > [It is indeed a matter of great difficulty to discover, and effectually to distinguish, the true motions of particular bodies from the…](https://sms4smile.com/quotes/isaac-newton/it-is-indeed-a-matter-of-great-difficulty-to-discover-and-effectually/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/8f9/isaac-newton-1226_argument_it-is-indeed-a-matter-of-great-difficult_595894.jpg) > [Our present work sets forth mathematical principles of philosophy. For the basic problem of philosophy seems to be to discover the forces…](https://sms4smile.com/quotes/isaac-newton/our-present-work-sets-forth-mathematical-principles-of-philosophy-for/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/c9b/isaac-newton-1226_book_our-present-work-sets-forth-mathematical_885544.jpg) > [Thus far I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have…](https://sms4smile.com/quotes/isaac-newton/thus-far-i-have-explained-the-phenomena-of-the-heavens-and-of-our-sea/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/294/isaac-newton-1226_action_thus-far-i-have-explained-the-phenomena_2164591.jpg) > [“In the beginning of the year 1665 I found the Method of approximating series & the Rule for reducing any dignity of…](https://sms4smile.com/quotes/isaac-newton/in-the-beginning-of-the-year-1665-i-found-the-method-of-approximating-2/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/41d/isaac-newton-1226_astronomy_in-the-beginning-of-the-year-1665-i-foun_3140819.jpg) > [Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly straight forward.](https://sms4smile.com/quotes/isaac-newton/impressed-force-is-the-action-exerted-on-a-body-to-change-its-state/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Image](https://sms4smile.com/quotes/i/7bb/isaac-newton-1226_action_impressed-force-is-the-action-exerted-on_1320842.jpg) ## Other authors on Force ## More by Isaac Newton > [The same law takes place in a system, consisting of many bodies, as in one single body, with regard to their persevering in their…](https://sms4smile.com/quotes/isaac-newton/the-same-law-takes-place-in-a-system-consisting-of-many-bodies-as-in/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [I have been much amused at ye singular phenomena resulting from bringing of a needle into contact with a piece of amber or resin…](https://sms4smile.com/quotes/isaac-newton/i-have-been-much-amused-at-ye-singular-phenomena-resulting-from/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [No great discovery was ever made without a bold guess.](https://sms4smile.com/quotes/isaac-newton/no-great-discovery-was-ever-made-without-a-bold-guess/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [I keep the subject of my inquiry constantly before me, and wait till the first dawning opens gradually, by little and little, into a…](https://sms4smile.com/quotes/isaac-newton/i-keep-the-subject-of-my-inquiry-constantly-before-me-and-wait-till/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Philosophy is such an impertinently litigious lady that a man had as good be engaged in lawsuits as have to do with her.](https://sms4smile.com/quotes/isaac-newton/philosophy-is-such-an-impertinently-litigious-lady-that-a-man-had-as/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) \[all…](https://sms4smile.com/quotes/isaac-newton/do-not-bodies-act-upon-light-at-a-distance-and-by-their-action-bend/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and…](https://sms4smile.com/quotes/isaac-newton/god-in-the-beginning-formed-matter-in-solid-massy-hard-impenetrable/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [ I am ashamed to tell you to how many figures I carried these calculations \[of Pi\], having no other business at the time ](https://sms4smile.com/quotes/isaac-newton/i-am-ashamed-to-tell-you-to-how-many-figures-i-carried-these/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Hypotheses non fingo. I frame no hypotheses.](https://sms4smile.com/quotes/isaac-newton/hypotheses-non-fingo-i-frame-no-hypotheses/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [The Ignis Fatuus is a vapor shining without heat.](https://sms4smile.com/quotes/isaac-newton/the-ignis-fatuus-is-a-vapor-shining-without-heat/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Blind metaphysical necessity, which is certainly the same always and every where, could produce no variety of things. All that diversity of natural things…](https://sms4smile.com/quotes/isaac-newton/blind-metaphysical-necessity-which-is-certainly-the-same-always-and/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [You sometimes speak of gravity as essential and inherent to matter. Pray do not ascribe that notion to me, for the cause of gravity…](https://sms4smile.com/quotes/isaac-newton/you-sometimes-speak-of-gravity-as-essential-and-inherent-to-matter/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [There are more sure marks of authenticity in the Bible than in any profane history.](https://sms4smile.com/quotes/isaac-newton/there-are-more-sure-marks-of-authenticity-in-the-bible-than-in-any/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Therefore to the same natural effects we must, as far as possible, assign the same causes.](https://sms4smile.com/quotes/isaac-newton/therefore-to-the-same-natural-effects-we-must-as-far-as-possible/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [In scripture we are told of some trusting in God and others trusting in idols, and that God is our refuge, our strength, our…](https://sms4smile.com/quotes/isaac-newton/in-scripture-we-are-told-of-some-trusting-in-god-and-others-trusting/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "ItemList", "@id": "https://sms4smile.com/quotes/about/force/isaac-newton/#itemlist", "name": "23 Force Quotes By Isaac Newton", "numberOfItems": 23, "itemListElement": [ { "@type": "ListItem", "position": 1, "item": { "@type": "Quotation", "text": "A body in motion tends to stay in motion unless acted on by an outside force.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/a-body-in-motion-tends-to-stay-in-motion-unless-acted-on-by-an/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/b84/isaac-newton-1226_bodies-in-motion_a-body-in-motion-tends-to-stay-in-motion_915939.jpg", "contentUrl": 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"@type": "ListItem", "position": 7, "item": { "@type": "Quotation", "text": "The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/the-alternation-of-motion-is-ever-proportional-to-the-motive-force/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/836/isaac-newton-1226_force_the-alternation-of-motion-is-ever-propor_1281472.jpg", "contentUrl": "https://sms4smile.com/quotes/i/836/isaac-newton-1226_force_the-alternation-of-motion-is-ever-propor_1281472.jpg", "url": "https://sms4smile.com/quotes/i/836/isaac-newton-1226_force_the-alternation-of-motion-is-ever-propor_1281472.jpg", "width": 1080, "height": 1080, "caption": "“The alternation of motion is ever proportional to the motive force impressed; and is made in the direction…” — Isaac Newton", 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Have not the small Particles of Bodies certain Powers, Virtues or Forces, by which they act at a distance, not only upon the Rays of Light for reflecting, refracting and reflecting them, but also upon one another for producing a great part of the Phænomena of Nature?", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/qu-31-have-not-the-small-particles-of-bodies-certain-powers-virtues/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/47f/isaac-newton-1226_body_qu-31-have-not-the-small-particles-of-bo_1780614.jpg", "contentUrl": "https://sms4smile.com/quotes/i/47f/isaac-newton-1226_body_qu-31-have-not-the-small-particles-of-bo_1780614.jpg", "url": "https://sms4smile.com/quotes/i/47f/isaac-newton-1226_body_qu-31-have-not-the-small-particles-of-bo_1780614.jpg", "width": 1080, "height": 1080, "caption": "“Qu. 31. Have not the small Particles of Bodies certain Powers, Virtues or Forces, by which they act at a…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 12, "item": { "@type": "Quotation", "text": "Definition of inertia: 'The vis insita, or innate force of matter, is a power of resisting by which every body, as much as in it lies, endeavours to preserve its present state, whether it be of rest or of moving uniformly forward in a straight line.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/definition-of-inertia-the-vis-insita-or-innate-force-of-matter-is-a/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/a75/isaac-newton-1226_body_definition-of-inertia-the-vis-insita-or_2924518.jpg", "contentUrl": "https://sms4smile.com/quotes/i/a75/isaac-newton-1226_body_definition-of-inertia-the-vis-insita-or_2924518.jpg", "url": "https://sms4smile.com/quotes/i/a75/isaac-newton-1226_body_definition-of-inertia-the-vis-insita-or_2924518.jpg", "width": 1080, "height": 1080, "caption": "“Definition of inertia: 'The vis insita, or innate force of matter, is a power of resisting by which every…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 13, "item": { "@type": "Quotation", "text": "I have presented principles of philosophy that are not, however, philosophical but strictly mathematical-that is, those on which the study of philosophy can be based. These principles are the laws and conditions of motions and of forces, which especially relate to philosophy.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/i-have-presented-principles-of-philosophy-that-are-not-however/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/fbf/isaac-newton-1226_conditions_i-have-presented-principles-of-philosoph_1704196.jpg", "contentUrl": "https://sms4smile.com/quotes/i/fbf/isaac-newton-1226_conditions_i-have-presented-principles-of-philosoph_1704196.jpg", "url": "https://sms4smile.com/quotes/i/fbf/isaac-newton-1226_conditions_i-have-presented-principles-of-philosoph_1704196.jpg", "width": 1080, "height": 1080, "caption": "“I have presented principles of philosophy that are not, however, philosophical but strictly…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 14, "item": { "@type": "Quotation", "text": "That one body may act upon another at a distance through a vacuum, without the mediation of any thing else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man, who has in philosophical matters a compentent faculty of thinking, can ever fall into it.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/that-one-body-may-act-upon-another-at-a-distance-through-a-vacuum/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/cf6/isaac-newton-1226_absurdity_that-one-body-may-act-upon-another-at-a_530027.jpg", "contentUrl": "https://sms4smile.com/quotes/i/cf6/isaac-newton-1226_absurdity_that-one-body-may-act-upon-another-at-a_530027.jpg", "url": "https://sms4smile.com/quotes/i/cf6/isaac-newton-1226_absurdity_that-one-body-may-act-upon-another-at-a_530027.jpg", "width": 1080, "height": 1080, "caption": "“That one body may act upon another at a distance through a vacuum, without the mediation of any thing else…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 15, "item": { "@type": "Quotation", "text": "A Vulgar Mechanick can practice what he has been taught or seen done, but if he is in an error he knows not how to find it out and correct it, and if you put him out of his road he is at a stand. Whereas he that is able to reason nimbly and judiciously about figure, force, and motion, is never at rest till he gets over every rub. 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Yet the thing is not altogether desperate; for we have some arguments to guide us, partly from the apparent motions, which are the differences of the true motions; partly from the forces, which are the causes and effects of the true motions.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/it-is-indeed-a-matter-of-great-difficulty-to-discover-and-effectually/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/8f9/isaac-newton-1226_argument_it-is-indeed-a-matter-of-great-difficult_595894.jpg", "contentUrl": "https://sms4smile.com/quotes/i/8f9/isaac-newton-1226_argument_it-is-indeed-a-matter-of-great-difficult_595894.jpg", "url": "https://sms4smile.com/quotes/i/8f9/isaac-newton-1226_argument_it-is-indeed-a-matter-of-great-difficult_595894.jpg", "width": 1080, "height": 1080, "caption": "“It is indeed a matter of great difficulty to discover, and effectually to distinguish, the true motions of…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 20, "item": { "@type": "Quotation", "text": "Our present work sets forth mathematical principles of philosophy. For the basic problem of philosophy seems to be to discover the forces of nature from the phenomena of motions and then to demonstrate the other phenomena from these forces. It is to these ends that the general propositions in books 1 and 2 are directed, while in book 3 our explanation of the system of the world illustrates these propositions.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/our-present-work-sets-forth-mathematical-principles-of-philosophy-for/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/c9b/isaac-newton-1226_book_our-present-work-sets-forth-mathematical_885544.jpg", "contentUrl": "https://sms4smile.com/quotes/i/c9b/isaac-newton-1226_book_our-present-work-sets-forth-mathematical_885544.jpg", "url": "https://sms4smile.com/quotes/i/c9b/isaac-newton-1226_book_our-present-work-sets-forth-mathematical_885544.jpg", "width": 1080, "height": 1080, "caption": "“Our present work sets forth mathematical principles of philosophy. 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Indeed, this force arises from some cause that penetrates as far as the centers of the sun and planets without any diminution of its power to act, and that acts not in proportion to the quantity of the surfaces of the particles on which it acts (as mechanical causes are wont to do) but in proportion to the quantity of solid matter, and whose action is extended everywhere to immense distances, always decreasing as the squares of the distances.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/thus-far-i-have-explained-the-phenomena-of-the-heavens-and-of-our-sea/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/294/isaac-newton-1226_action_thus-far-i-have-explained-the-phenomena_2164591.jpg", "contentUrl": "https://sms4smile.com/quotes/i/294/isaac-newton-1226_action_thus-far-i-have-explained-the-phenomena_2164591.jpg", "url": "https://sms4smile.com/quotes/i/294/isaac-newton-1226_action_thus-far-i-have-explained-the-phenomena_2164591.jpg", "width": 1080, "height": 1080, "caption": "“Thus far I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 22, "item": { "@type": "Quotation", "text": "“In the beginning of the year 1665 I found the Method of approximating series & the Rule for reducing any dignity of any Binomial into such a series. The same year in May I found the method of Tangents of Gregory & Slusius, & in November had the direct method of fluxions & the next year in January had the Theory of Colours & in May following I had entrance into ye inverse method of fluxions. And the same year I began to think of gravity extending to ye orb of the Moon & (having found out how to estimate the force with wch [a] globe revolving within a sphere presses the surface of the sphere) from Kepler 's rule of the periodic times of the Planets being in sesquialterate proportion of their distances from the center of their Orbs, I deduced that the forces wch keep the Planets in their Orbs must [be] reciprocally as the squares of their distances from the centers about wch they revolve: & thereby compared the force requisite to keep the Moon in her Orb with the force of gravity at the surface of the earth, & found them answer pretty nearly. All this was in the two plague years of 1665-1666. For in those days I was in the prime of my age for invention & minded Mathematicks & Philosophy more then than at any time since.”", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/in-the-beginning-of-the-year-1665-i-found-the-method-of-approximating-2/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/41d/isaac-newton-1226_astronomy_in-the-beginning-of-the-year-1665-i-foun_3140819.jpg", "contentUrl": "https://sms4smile.com/quotes/i/41d/isaac-newton-1226_astronomy_in-the-beginning-of-the-year-1665-i-foun_3140819.jpg", "url": "https://sms4smile.com/quotes/i/41d/isaac-newton-1226_astronomy_in-the-beginning-of-the-year-1665-i-foun_3140819.jpg", "width": 1080, "height": 1080, "caption": "“In the beginning of the year 1665 I found the Method of approximating series & the Rule for reducing any…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 23, "item": { "@type": "Quotation", "text": "Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly straight forward.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "url": "https://sms4smile.com/quotes/isaac-newton/impressed-force-is-the-action-exerted-on-a-body-to-change-its-state/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/7bb/isaac-newton-1226_action_impressed-force-is-the-action-exerted-on_1320842.jpg", "contentUrl": "https://sms4smile.com/quotes/i/7bb/isaac-newton-1226_action_impressed-force-is-the-action-exerted-on_1320842.jpg", "url": "https://sms4smile.com/quotes/i/7bb/isaac-newton-1226_action_impressed-force-is-the-action-exerted-on_1320842.jpg", "width": 1080, "height": 1080, "caption": "“Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly…” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } } ] }, { "@type": "CollectionPage", "@id": "https://sms4smile.com/quotes/about/force/isaac-newton/#webpage", "url": "https://sms4smile.com/quotes/about/force/isaac-newton/", "name": "Force Quotes by Isaac Newton", "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "mainEntity": { "@id": "https://sms4smile.com/quotes/about/force/isaac-newton/#itemlist" }, "primaryImageOfPage": { "@id": "https://sms4smile.com/quotes/i/b84/isaac-newton-1226_bodies-in-motion_a-body-in-motion-tends-to-stay-in-motion_915939.jpg" }, "description": "23 Force quotes by Isaac Newton. Plus more from Isaac Newton and more Force sayings from other authors.", "breadcrumb": { "@id": "https://sms4smile.com/quotes/about/force/isaac-newton/#breadcrumb" } }, { "@type": "BreadcrumbList", "@id": "https://sms4smile.com/quotes/about/force/isaac-newton/#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": "Force", "item": "https://sms4smile.com/quotes/about/force/" }, { "@type": "ListItem", "position": 5, "name": "Isaac Newton", "item": "https://sms4smile.com/quotes/about/force/isaac-newton/" } ] }, { "@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 } } ] } ```