--- title: "Meaning & Key Takeaway of: Our reasonings are grounded upon two…" description: "\"Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, an..." image: "https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg" --- # Our reasonings are grounded upon two great principles… ![“Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, and true that which is opposed or contradictory to the false.” quote by Gottfried Leibniz](https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg) [Download](https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg) [Open image](https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg) > “Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, and true that which is opposed or contradictory to the false.” [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Reasoning relies on the law of non‑contradiction: contradictions are false, opposites to false are true. **In simple terms:** Truth follows from non‑contradiction. Key Takeaway Check for contradictions in arguments. Themes logic epistemology truth Mood analytical thoughtful Type philosophical educational When to use this quote - debate - critical analysis - academic writing - legal reasoning - scientific modeling Key Concepts law of non‑contradiction dialectics Questions to Reflect On - How do you handle statements that seem both true and false? - Can contradictions ever be productive? A Different Perspective Complex issues may involve paradoxes that defy simple true/false labeling. ★ ★ ★ ★ ★ No ratings yet [Contradiction](https://sms4smile.com/quotes/about/contradiction/) [Contradiction True](https://sms4smile.com/quotes/about/contradiction-true-1313299/) [Contradiction Virtue](https://sms4smile.com/quotes/about/contradiction-virtue-5500010/) [Contradictory](https://sms4smile.com/quotes/about/contradictory/) [Grounded](https://sms4smile.com/quotes/about/grounded/) [Integrity](https://sms4smile.com/quotes/about/integrity/) [Judging](https://sms4smile.com/quotes/about/judging/) [Principles](https://sms4smile.com/quotes/about/principles/) [Principles Contradiction](https://sms4smile.com/quotes/about/principles-contradiction-5500011/) [Reasoning](https://sms4smile.com/quotes/about/reasoning/) [Reasonings Grounded](https://sms4smile.com/quotes/about/reasonings-grounded-5500012/) [Science](https://sms4smile.com/quotes/about/science/) [Two](https://sms4smile.com/quotes/about/two/) [Virtue](https://sms4smile.com/quotes/about/virtue/) ## Related quotes > [There is no contradiction between true religion and science](https://sms4smile.com/quotes/abdu-l-bah/there-is-no-contradiction-between-true-religion-and-science/) [Abdu'l-Bahá](https://sms4smile.com/quotes/author/abdu-l-bah/) > [It is a contradiction to be a true Christian and not humble.](https://sms4smile.com/quotes/richard-baxter/it-is-a-contradiction-to-be-a-true-christian-and-not-humble/) [Richard Baxter](https://sms4smile.com/quotes/author/richard-baxter/) > [The form most contradictory to human life that can appear among the human species is the "self-sat-isfied man.](https://sms4smile.com/quotes/jose-ortega-y-gasset/the-form-most-contradictory-to-human-life-that-can-appear-among-the/) [Jose Ortega y Gasset](https://sms4smile.com/quotes/author/jose-ortega-y-gasset/) > [It is only through literature that one can put oneself in someone else’s shoes and understand the other’s different and contradictory sides and refrain…](https://sms4smile.com/quotes/azar-nafisi/it-is-only-through-literature-that-one-can-put-oneself-in-someone/) [Azar Nafisi](https://sms4smile.com/quotes/author/azar-nafisi/) > [ The typical white intellectual considers himself superior to ordinary white people for two contradictory reasons: a\] he constantly proclaims belief in human equality, but… ](https://sms4smile.com/quotes/steve-sailer/the-typical-white-intellectual-considers-himself-superior-to-ordinary/) [Steve Sailer](https://sms4smile.com/quotes/author/steve-sailer/) > [When faced with a loss, it is no use trying to recover what has gone. 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It's a bit contradictory.](https://sms4smile.com/quotes/alun-wyn-jones/we-ve-got-a-great-team-sport-but-we-harp-on-about-individuals-it-s-a/) [Alun Wyn Jones](https://sms4smile.com/quotes/author/alun-wyn-jones/) > [Wise people are able to give themselves gracefully to seemingly contradictory experiences, because they know that they belong to different seasons of life, all…](https://sms4smile.com/quotes/sam-keen/wise-people-are-able-to-give-themselves-gracefully-to-seemingly/) [Sam Keen](https://sms4smile.com/quotes/author/sam-keen/) > [A language possesses utility only insofar as it can construct conventional boundaries. A language of no boundaries is no language at all, and thus…](https://sms4smile.com/quotes/ken-wilber/a-language-possesses-utility-only-insofar-as-it-can-construct/) [Ken Wilber](https://sms4smile.com/quotes/author/ken-wilber/) > [The time that one gains cannot be accumulated in a storehouse; it is contradictory to want to save up existence, which, the fact is,…](https://sms4smile.com/quotes/simone-de-beauvoir/the-time-that-one-gains-cannot-be-accumulated-in-a-storehouse-it-is/) [Simone de Beauvoir](https://sms4smile.com/quotes/author/simone-de-beauvoir/) ## More by Gottfried Leibniz > [There are two famous labyrinths where our reason very often goes astray. One concerns the great question of the free and the necessary, above…](https://sms4smile.com/quotes/gottfried-leibniz/there-are-two-famous-labyrinths-where-our-reason-very-often-goes/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [Either there are no corporeal substances, and bodies are merely phenomena which are true or consistent with each other, such as a rainbow or…](https://sms4smile.com/quotes/gottfried-leibniz/either-there-are-no-corporeal-substances-and-bodies-are-merely/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [The present is saturated with the past and pregnant with the future.](https://sms4smile.com/quotes/gottfried-leibniz/the-present-is-saturated-with-the-past-and-pregnant-with-the-future/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [Make me the the master of education, and I will undertake to change the world.](https://sms4smile.com/quotes/gottfried-leibniz/make-me-the-the-master-of-education-and-i-will-undertake-to-change/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [All the different classes of beings which taken together make up the universe are, in the ideas of God who knows distinctly their essential…](https://sms4smile.com/quotes/gottfried-leibniz/all-the-different-classes-of-beings-which-taken-together-make-up-the/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or…](https://sms4smile.com/quotes/gottfried-leibniz/i-hold-that-the-mark-of-a-genuine-idea-is-that-its-possibility-can-be/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [The monad, of which we shall speak here, is nothing but a simple substance which enters into compounds; simple, that is to say, without…](https://sms4smile.com/quotes/gottfried-leibniz/the-monad-of-which-we-shall-speak-here-is-nothing-but-a-simple/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [There is no way in which a simple substance could begin in the course of nature, since it cannot be formed by means of…](https://sms4smile.com/quotes/gottfried-leibniz/there-is-no-way-in-which-a-simple-substance-could-begin-in-the-course/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [In symbols one observes an advantage in discovery which is greatest when they express the exact nature of a thing briefly and, as it…](https://sms4smile.com/quotes/gottfried-leibniz/in-symbols-one-observes-an-advantage-in-discovery-which-is-greatest/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [There is nothing without reason.](https://sms4smile.com/quotes/gottfried-leibniz/there-is-nothing-without-reason/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [God, possessing supreme and infinite wisdom, acts in the most perfect manner, not only metaphysically, but also morally speaking, and ... with respect to…](https://sms4smile.com/quotes/gottfried-leibniz/god-possessing-supreme-and-infinite-wisdom-acts-in-the-most-perfect/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [It can have its effect only through the intervention of God, inasmuch as in the ideas of God a monad rightly demands that God,…](https://sms4smile.com/quotes/gottfried-leibniz/it-can-have-its-effect-only-through-the-intervention-of-god-inasmuch/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [I do not conceive of any reality at all as without genuine unity.](https://sms4smile.com/quotes/gottfried-leibniz/i-do-not-conceive-of-any-reality-at-all-as-without-genuine-unity/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic.](https://sms4smile.com/quotes/gottfried-leibniz/the-pleasure-we-obtain-from-music-comes-from-counting-but-counting/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) > [If we were magically shrunk and put into someone's brain while she was thinking, we would see all the pumps, pistons, gears and levers…](https://sms4smile.com/quotes/gottfried-leibniz/if-we-were-magically-shrunk-and-put-into-someone-s-brain-while-she/) [Gottfried Leibniz](https://sms4smile.com/quotes/author/gottfried-leibniz/) [Explore all 127 Gottfried Leibniz quotes ](https://sms4smile.com/quotes/author/gottfried-leibniz/) ## More Contradiction quotes > [The inner defenses are unconscious. They consist of a kind of magic aura which the mind builds around cherished belief. Arguments which penetrate into…](https://sms4smile.com/quotes/arthur-koestler/the-inner-defenses-are-unconscious-they-consist-of-a-kind-of-magic/) [Arthur Koestler](https://sms4smile.com/quotes/author/arthur-koestler/) > [Courage is almost a contradiction in terms. It means a strong desire to live taking the form of readiness to die.](https://sms4smile.com/quotes/anonymous/courage-is-almost-a-contradiction-in-terms-it-means-a-strong-desire/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [It is also plausible that those movements with the greatest inner contradiction and between profession and practice - that is to say with a…](https://sms4smile.com/quotes/eric-hoffer/it-is-also-plausible-that-those-movements-with-the-greatest-inner/) [Eric Hoffer](https://sms4smile.com/quotes/author/eric-hoffer/) > [Contradictions in human character are one of its most consistent notes.](https://sms4smile.com/quotes/muriel-spark/contradictions-in-human-character-are-one-of-its-most-consistent-notes/) [Muriel Spark](https://sms4smile.com/quotes/author/muriel-spark/) > [“The tiny features below, taken together with the gentle mass of Montblanc towering above them, the Vanoise glacier almost invisible in the shimmering distance,…](https://sms4smile.com/quotes/w-g-sebald-2/the-tiny-features-below-taken-together-with-the-gentle-mass-of/) [W.G. Sebald](https://sms4smile.com/quotes/author/w-g-sebald-2/) > [I’m a skeptic not because I do not want to believe, but because I want to know.](https://sms4smile.com/quotes/michael-shermer/i-m-a-skeptic-not-because-i-do-not-want-to-believe-but-because-i-want/) [Michael Shermer](https://sms4smile.com/quotes/author/michael-shermer/) > [There are evidently limits to the achievements of science; and there are irresolvable contradictions both between prosperity and virtue, and between happiness and ''the…](https://sms4smile.com/quotes/reinhold-niebuhr/there-are-evidently-limits-to-the-achievements-of-science-and-there/) [Reinhold Niebuhr](https://sms4smile.com/quotes/author/reinhold-niebuhr/) > [To exist (in mathematics), said Henri Poincaré, is to be free from contradiction. But mere existence does not guarantee survival. To survive in mathematics…](https://sms4smile.com/quotes/mark-kac/to-exist-in-mathematics-said-henri-poincar-is-to-be-free-from/) [Mark Kac](https://sms4smile.com/quotes/author/mark-kac/) > [“In these creations, life and symbolic value are not in contradiction: they intensify each other.”](https://sms4smile.com/quotes/victor-hugo/in-these-creations-life-and-symbolic-value-are-not-in-contradiction/) [Victor Hugo](https://sms4smile.com/quotes/author/victor-hugo/) > [I have never agreed with my other self wholly. The truth of the matter seems to lie between us.](https://sms4smile.com/quotes/khalil-gibran/i-have-never-agreed-with-my-other-self-wholly-the-truth-of-the-matter/) [Khalil Gibran](https://sms4smile.com/quotes/author/khalil-gibran/) > [“A truth is not necessary, because we negatively are not able to conceive the actual existence of the opposite thereof;but a truth is necessary…](https://sms4smile.com/quotes/r-l-dabney/a-truth-is-not-necessary-because-we-negatively-are-not-able-to/) [R.L. Dabney](https://sms4smile.com/quotes/author/r-l-dabney/) > [The pictures that were coming from Vietnam were showing us what was really happening on the ground level. It was in contradiction to what…](https://sms4smile.com/quotes/james-nachtwey/the-pictures-that-were-coming-from-vietnam-were-showing-us-what-was/) [James Nachtwey](https://sms4smile.com/quotes/author/james-nachtwey/) > [Here I encounter the most popular fallacy of our times. It is not considered sufficient that the law should guarantee to every citizen the…](https://sms4smile.com/quotes/frederic-bastiat/here-i-encounter-the-most-popular-fallacy-of-our-times-it-is-not/) [Frederic Bastiat](https://sms4smile.com/quotes/author/frederic-bastiat/) > [That the sun will not rise tomorrow is no less intelligible a proposition, and implies no more contradiction, than the affirmation, that it will…](https://sms4smile.com/quotes/david-hume/that-the-sun-will-not-rise-tomorrow-is-no-less-intelligible-a/) [David Hume](https://sms4smile.com/quotes/author/david-hume/) > [The reflection of nature in man's thought must be understood not lifelessly but in the eternal process of movement, the arising of contradictions and…](https://sms4smile.com/quotes/vladimir-lenin/the-reflection-of-nature-in-man-s-thought-must-be-understood-not/) [Vladimir Lenin](https://sms4smile.com/quotes/author/vladimir-lenin/) [Browse all 1,263 Contradiction quotes ](https://sms4smile.com/quotes/about/contradiction/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, and true that which is opposed or contradictory to the false.", "creator": { "@type": "Person", "name": "Gottfried Leibniz" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/gottfried-leibniz/our-reasonings-are-grounded-upon-two-great-principles-that-of/", "about": { "@type": "Thing", "name": "Contradiction" }, "@id": "https://sms4smile.com/quotes/gottfried-leibniz/our-reasonings-are-grounded-upon-two-great-principles-that-of/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg", "contentUrl": "https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg", "url": "https://sms4smile.com/quotes/i/4e7/gottfried-leibniz-3585_contradiction_our-reasonings-are-grounded-upon-two-gre_3124523.jpg", "width": 1080, "height": 1080, "caption": "“Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge…” — Gottfried Leibniz", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } }, { "@type": "BreadcrumbList", "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": "Gottfried Leibniz", "item": "https://sms4smile.com/quotes/author/gottfried-leibniz/" }, { "@type": "ListItem", "position": 4, "name": "Our reasonings are grounded upon two...", "item": "https://sms4smile.com/quotes/gottfried-leibniz/our-reasonings-are-grounded-upon-two-great-principles-that-of/" } ], "@id": "https://sms4smile.com/quotes/gottfried-leibniz/our-reasonings-are-grounded-upon-two-great-principles-that-of/#breadcrumb" }, { "@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 } } ] } ```