--- title: "1 Objective Thinking Quotes By Carl Sagan" description: "1 Objective Thinking quotes by Carl Sagan. Plus more from Carl Sagan and more Objective Thinking sayings from other authors." image: "https://sms4smile.com/quotes/i/016/carl-sagan-160_goals_the-development-of-objective-thinking-by_816934.jpg" --- > [“The development of objective thinking by the Greeks appears to have required a number of specific cultural factors. First was the assembly, where men first learned to persuade one another by means of rational debate. Second was a maritime economy…](https://sms4smile.com/quotes/carl-sagan/the-development-of-objective-thinking-by-the-greeks-appears-to-have/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) [Image](https://sms4smile.com/quotes/i/016/carl-sagan-160_goals_the-development-of-objective-thinking-by_816934.jpg) ## More by Carl Sagan > [It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it…](https://sms4smile.com/quotes/carl-sagan/it-is-sometimes-said-that-scientists-are-unromantic-that-their/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from…](https://sms4smile.com/quotes/carl-sagan/the-prediction-of-nuclear-winter-is-drawn-not-of-course-from-any/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no…](https://sms4smile.com/quotes/carl-sagan/the-suppression-of-uncomfortable-ideas-may-be-common-in-religion-or/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [“Telepathy’ literally means to feel at a distance, just as ‘telephone’ is to hear at a distance and ‘television’ is to see at a…](https://sms4smile.com/quotes/carl-sagan/telepathy-literally-means-to-feel-at-a-distance-just-as-telephone-is/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and solitary lump…](https://sms4smile.com/quotes/carl-sagan/on-the-scale-of-worlds-to-say-nothing-of-stars-or-galaxies-humans-are/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies,…](https://sms4smile.com/quotes/carl-sagan/every-one-of-us-is-in-the-cosmic-perspective-precious-if-a-human/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!](https://sms4smile.com/quotes/carl-sagan/in-our-time-we-have-sifted-the-sands-of-mars-we-have-established-a/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [ “\[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :\] If ‘fulfilled prophecy’ is your criterion,… ](https://sms4smile.com/quotes/carl-sagan/when-a-religious-couple-wrote-to-sagan-about-fulfilled-prophecies-he/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [Don't judge everyone else by your own limited experience.](https://sms4smile.com/quotes/carl-sagan/don-t-judge-everyone-else-by-your-own-limited-experience/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully…](https://sms4smile.com/quotes/carl-sagan/books-permit-us-to-voyage-through-time-to-tap-the-wisdom-of-our/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make…](https://sms4smile.com/quotes/carl-sagan/we-live-on-a-hunk-of-rock-and-metal-that-circles-a-humdrum-star-that/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this…](https://sms4smile.com/quotes/carl-sagan/a-tiny-blue-dot-set-in-a-sunbeam-here-it-is-that-s-where-we-live-that/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no.](https://sms4smile.com/quotes/carl-sagan/any-sufficiently-crisp-question-can-be-answered-by-a-single-binary/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.…](https://sms4smile.com/quotes/carl-sagan/humans-who-enslave-castrate-experiment-on-and-fillet-other-animals/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [Every star may be a sun to someone.](https://sms4smile.com/quotes/carl-sagan/every-star-may-be-a-sun-to-someone/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "ItemList", "@id": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/#itemlist", "name": "1 Objective Thinking Quotes By Carl Sagan", "numberOfItems": 1, "itemListElement": [ { "@type": "ListItem", "position": 1, "item": { "@type": "Quotation", "text": "“The development of objective thinking by the Greeks appears to have required a number of specific cultural factors. First was the assembly, where men first learned to persuade one another by means of rational debate. Second was a maritime economy that prevented isolation and parochialism. Third was the existence of a widespread Greek-speaking world around which travelers and scholars could wander. Fourth was the existence of an independent merchant class that could hire its own teachers. Fifth was the Iliad and the Odyssey, literary masterpieces that are themselves the epitome of liberal rational thinking. Sixth was a literary religion not dominated by priests. And seventh was the persistence of these factors for 1,000 years.”", "creator": { "@type": "Person", "name": "Carl Sagan" }, "url": "https://sms4smile.com/quotes/carl-sagan/the-development-of-objective-thinking-by-the-greeks-appears-to-have/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/016/carl-sagan-160_goals_the-development-of-objective-thinking-by_816934.jpg", "contentUrl": "https://sms4smile.com/quotes/i/016/carl-sagan-160_goals_the-development-of-objective-thinking-by_816934.jpg", "url": "https://sms4smile.com/quotes/i/016/carl-sagan-160_goals_the-development-of-objective-thinking-by_816934.jpg", "width": 1080, "height": 1080, "caption": "“The development of objective thinking by the Greeks appears to have required a number of specific cultural…” — Carl Sagan", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } } ] }, { "@type": "CollectionPage", "@id": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/#webpage", "url": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/", "name": "Objective Thinking Quotes by Carl Sagan", "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "mainEntity": { "@id": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/#itemlist" }, "primaryImageOfPage": { "@id": "https://sms4smile.com/quotes/i/016/carl-sagan-160_goals_the-development-of-objective-thinking-by_816934.jpg" }, "description": "1 Objective Thinking quotes by Carl Sagan. Plus more from Carl Sagan and more Objective Thinking sayings from other authors.", "breadcrumb": { "@id": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/#breadcrumb" } }, { "@type": "BreadcrumbList", "@id": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/#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": "Objective Thinking", "item": "https://sms4smile.com/quotes/about/objective-thinking/" }, { "@type": "ListItem", "position": 5, "name": "Carl Sagan", "item": "https://sms4smile.com/quotes/about/objective-thinking/carl-sagan/" } ] }, { "@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 } } ] } ```