--- title: "Meaning & Key Takeaway of: UNIX is simple and coherent, but it takes…" description: "\"UNIX is simple and coherent, but it takes a genius (or at any rate, a programmer) to understand and appreciate its simplicity.\" — Dennis Ritchie" image: "https://sms4smile.com/quotes/i/f91/dennis-ritchie-13863_appreciate_unix-is-simple-and-coherent-but-it-takes_2332375.jpg" --- # UNIX is simple and coherent, but it takes a genius (or at… ![“UNIX is simple and coherent, but it takes a genius (or at any rate, a programmer) to understand and appreciate its simplicity.” quote by Dennis Ritchie](https://sms4smile.com/quotes/i/f91/dennis-ritchie-13863_appreciate_unix-is-simple-and-coherent-but-it-takes_2332375.jpg) [Download](https://sms4smile.com/quotes/i/f91/dennis-ritchie-13863_appreciate_unix-is-simple-and-coherent-but-it-takes_2332375.jpg) [Open image](https://sms4smile.com/quotes/i/f91/dennis-ritchie-13863_appreciate_unix-is-simple-and-coherent-but-it-takes_2332375.jpg) > “UNIX is simple and coherent, but it takes a genius (or at any rate, a programmer) to understand and appreciate its simplicity.” [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Unix’s elegance lies in its simplicity, but grasping it demands exceptional skill or deep programming insight. **In simple terms:** Simple systems need deep understanding. Key Takeaway Invest in mastering fundamentals. Themes simplicity design programming Mood inquisitive determined Type educational technical When to use this quote - learning programming - system architecture design - debugging - teaching Key Concepts software engineering cognitive load expertise Questions to Reflect On - What basics are essential? - How to cultivate expertise? A Different Perspective Complexity can be hidden in simplicity. ★ ★ ★ ★ ★ No ratings yet [Genius](https://sms4smile.com/quotes/about/genius/) [Programmers](https://sms4smile.com/quotes/about/programmers/) [Programming](https://sms4smile.com/quotes/about/programming/) [Simplicity](https://sms4smile.com/quotes/about/simplicity/) [Technology](https://sms4smile.com/quotes/about/technology/) ## Related quotes > [You don't have to come from Trinidad to really love Harry Belafonte, you don't have to come from the West Coast to appreciate the…](https://sms4smile.com/quotes/seth-avett/you-don-t-have-to-come-from-trinidad-to-really-love-harry-belafonte/) Seth Avett > [I appreciate simplicity, true beauty that lasts over time, and a little wit and eclecticism that make life more fun.](https://sms4smile.com/quotes/elliott-erwitt/i-appreciate-simplicity-true-beauty-that-lasts-over-time-and-a-little/) [Elliott Erwitt](https://sms4smile.com/quotes/author/elliott-erwitt/) > [UNIX has a philosophy, it has 25 years of history behind it, and most importantly, it has a clean core. It strives for something…](https://sms4smile.com/quotes/linus-torvalds/unix-has-a-philosophy-it-has-25-years-of-history-behind-it-and-most/) [Linus Torvalds](https://sms4smile.com/quotes/author/linus-torvalds/) > [Obviously, the person who had most influence on my career was Ken Thompson. Unix was basically his, likewise C's predecessor, likewise much of the…](https://sms4smile.com/quotes/dennis-ritchie/obviously-the-person-who-had-most-influence-on-my-career-was-ken/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [The number of UNIX installations has grown to 10, with more expected...](https://sms4smile.com/quotes/dennis-ritchie/the-number-of-unix-installations-has-grown-to-10-with-more-expected/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [C was already implemented on several quite different machines and OSs, Unix was already being distributed on the PDP-11, but the portability of the…](https://sms4smile.com/quotes/dennis-ritchie/c-was-already-implemented-on-several-quite-different-machines-and-oss/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [From an operating system research point of view, Unix is if not dead certainly old stuff, and it's clear that people should be looking…](https://sms4smile.com/quotes/dennis-ritchie/from-an-operating-system-research-point-of-view-unix-is-if-not-dead/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [Some consider UNIX to be the second most important invention to come out of AT&T Bell Labs after the transistor.](https://sms4smile.com/quotes/dennis-ritchie/some-consider-unix-to-be-the-second-most-important-invention-to-come/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity.](https://sms4smile.com/quotes/dennis-ritchie/unix-is-basically-a-simple-operating-system-but-you-have-to-be-a/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [Unix has retarded OS research by 10 years and linux has retarded it by 20.](https://sms4smile.com/quotes/dennis-ritchie/unix-has-retarded-os-research-by-10-years-and-linux-has-retarded-it/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [Pretty much everything on the web uses those two things: C and UNIX,](https://sms4smile.com/quotes/dennis-ritchie/pretty-much-everything-on-the-web-uses-those-two-things-c-and-unix/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [It's true that compared with the scene when Unix started, today the ecological niches are fairly full, and fresh new OS ideas are harder…](https://sms4smile.com/quotes/dennis-ritchie/it-s-true-that-compared-with-the-scene-when-unix-started-today-the/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [It seems certain that much of the success of Unix follows from the readability, modifiability, and portability of its software.](https://sms4smile.com/quotes/dennis-ritchie/it-seems-certain-that-much-of-the-success-of-unix-follows-from-the/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [“It takes no genius to destroy. The creators, the givers, the lovers, the healers - these are the heroes who know - the building…](https://sms4smile.com/quotes/laurence-overmire/it-takes-no-genius-to-destroy-the-creators-the-givers-the-lovers-the/) [Laurence Overmire](https://sms4smile.com/quotes/author/laurence-overmire/) > [“It takes more than genius to keep me reading a book.”](https://sms4smile.com/quotes/anonymous/it-takes-more-than-genius-to-keep-me-reading-a-book/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) ## More by Dennis Ritchie > [Any editing, software work, and mail is done in this exported Plan 9](https://sms4smile.com/quotes/dennis-ritchie/any-editing-software-work-and-mail-is-done-in-this-exported-plan-9/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [I can't recall any difficulty in making the C language definition completely open - any discussion on the matter tended to mention languages whose…](https://sms4smile.com/quotes/dennis-ritchie/i-can-t-recall-any-difficulty-in-making-the-c-language-definition/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [I listen to mostly-classical music, but mostly by radio - I'm not an audiophile.](https://sms4smile.com/quotes/dennis-ritchie/i-listen-to-mostly-classical-music-but-mostly-by-radio-i-m-not-an/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [I'm still uncertain about the language declaration syntax.](https://sms4smile.com/quotes/dennis-ritchie/i-m-still-uncertain-about-the-language-declaration-syntax/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [Obviously, the person who had most influence on my career was Ken Thompson. Unix was basically his, likewise C's predecessor, likewise much of the…](https://sms4smile.com/quotes/dennis-ritchie/obviously-the-person-who-had-most-influence-on-my-career-was-ken/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [Sometimes when you fill a vacuum, it still sucks.](https://sms4smile.com/quotes/dennis-ritchie/sometimes-when-you-fill-a-vacuum-it-still-sucks/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [Steve Jobs has said that Xwindows is brain-damamged and will disappear in two years. He got it half-right.](https://sms4smile.com/quotes/dennis-ritchie/steve-jobs-has-said-that-xwindows-is-brain-damamged-and-will/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [I've done a reasonable amount of travelling, which I enjoyed, but not for too long at a time. I'm a home-body and get fatigued…](https://sms4smile.com/quotes/dennis-ritchie/i-ve-done-a-reasonable-amount-of-travelling-which-i-enjoyed-but-not/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [At the same time, much of it seems to have to do with recreating things we or others had already done; it seems rather…](https://sms4smile.com/quotes/dennis-ritchie/at-the-same-time-much-of-it-seems-to-have-to-do-with-recreating/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [A new release of Plan 9 happened in June, and at about the same time a new release of the Inferno system, which began…](https://sms4smile.com/quotes/dennis-ritchie/a-new-release-of-plan-9-happened-in-june-and-at-about-the-same-time-a/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [I fix things now and then, more often tweak HTML and make scripts to do things.](https://sms4smile.com/quotes/dennis-ritchie/i-fix-things-now-and-then-more-often-tweak-html-and-make-scripts-to/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [C is declining somewhat in usage compared to C++, and maybe Java, but perhaps even more compared to higher-level scripting languages. It's still fairly…](https://sms4smile.com/quotes/dennis-ritchie/c-is-declining-somewhat-in-usage-compared-to-c-and-maybe-java-but/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [It's true that compared with the scene when Unix started, today the ecological niches are fairly full, and fresh new OS ideas are harder…](https://sms4smile.com/quotes/dennis-ritchie/it-s-true-that-compared-with-the-scene-when-unix-started-today-the/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [The notion of a record is an obsolete remnant of the days of the 80-column card.](https://sms4smile.com/quotes/dennis-ritchie/the-notion-of-a-record-is-an-obsolete-remnant-of-the-days-of-the-80/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) > [The True-GNU philosophy is more extreme than I care for, but it certainly laid a foundation for the current scene, as well as providing…](https://sms4smile.com/quotes/dennis-ritchie/the-true-gnu-philosophy-is-more-extreme-than-i-care-for-but-it/) [Dennis Ritchie](https://sms4smile.com/quotes/author/dennis-ritchie/) [Explore all 49 Dennis Ritchie quotes ](https://sms4smile.com/quotes/author/dennis-ritchie/) ## More Appreciate quotes > [All I hear is the people that appreciate me.](https://sms4smile.com/quotes/greg-hardy/all-i-hear-is-the-people-that-appreciate-me/) [Greg Hardy](https://sms4smile.com/quotes/author/greg-hardy/) > [I think that kind of balance comes with the process of growing together as a band, the Little Dragon. 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User-generated content without editorial oversight will simply be…](https://sms4smile.com/quotes/michael-eisner/eventually-the-consumer-will-come-to-appreciate-the-editorial-point/) [Michael Eisner](https://sms4smile.com/quotes/author/michael-eisner/) > [The connoisseur of art must be able to appreciate what is simply beautiful, but the common run of people is satisfied with ornament](https://sms4smile.com/quotes/johann-wolfgang-von-goethe/the-connoisseur-of-art-must-be-able-to-appreciate-what-is-simply/) [Johann Wolfgang Von Goethe](https://sms4smile.com/quotes/author/johann-wolfgang-von-goethe/) > [The laws of thermodynamics, as empirically determined, express the approximate and probable behavior of systems of a great number of particles, or, more precisely,…](https://sms4smile.com/quotes/j-willard-gibbs/the-laws-of-thermodynamics-as-empirically-determined-express-the/) J. Willard Gibbs > [This time, there were no drugs involved. The hours were completely normal daytime hours. I think we were able to appreciate the interplay, where…](https://sms4smile.com/quotes/lindsey-buckingham/this-time-there-were-no-drugs-involved-the-hours-were-completely/) [Lindsey Buckingham](https://sms4smile.com/quotes/author/lindsey-buckingham/) > [I would like beautiful gymnastics to be recognized as the best. I want the judges to appreciate things that are not necessarily winning points.](https://sms4smile.com/quotes/kohei-uchimura/i-would-like-beautiful-gymnastics-to-be-recognized-as-the-best-i-want/) [Kohei Uchimura](https://sms4smile.com/quotes/author/kohei-uchimura/) > [One of the most important rules for success is this: Every great success is the result of hundreds and thousands of small efforts and…](https://sms4smile.com/quotes/brian-tracy/one-of-the-most-important-rules-for-success-is-this-every-great/) [Brian Tracy](https://sms4smile.com/quotes/author/brian-tracy/) > [It's great at this stage in my life to still be in the running, that people appreciate you.](https://sms4smile.com/quotes/dolly-parton/it-s-great-at-this-stage-in-my-life-to-still-be-in-the-running-that/) [Dolly Parton](https://sms4smile.com/quotes/author/dolly-parton/) > [The sectaries of a persecuted religion, depressed by fear, animated with resentment, and perhaps heated by enthusiasm, are seldom in a proper temper of…](https://sms4smile.com/quotes/edward-gibbon/the-sectaries-of-a-persecuted-religion-depressed-by-fear-animated/) [Edward Gibbon](https://sms4smile.com/quotes/author/edward-gibbon/) > [Love is too wonderful for us but why we often times do not ever appreciate.](https://sms4smile.com/quotes/mohamad-idrus/love-is-too-wonderful-for-us-but-why-we-often-times-do-not-ever/) [Mohamad Idrus](https://sms4smile.com/quotes/author/mohamad-idrus/) > [I think the most important thing is to stay hopeful, to believe wonderful things are possible and do your best. 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