---
title: "1 Called Reality Quotes By Francois Jacob"
description: "1 Called Reality quotes by Francois Jacob. Plus more from Francois Jacob and more Called Reality sayings from other authors."
image: "https://sms4smile.com/quotes/i/7bf/francois-jacob-32171_conception_contrary-to-what-i-once-thought-scientif_427355.png"
---

> [Contrary to what I once thought, scientific progress did not consist simply in observing, in accurately formulating experimental facts and drawing up a theory from them. It began with the invention of a possible world, or a fragment thereof, which…](https://sms4smile.com/quotes/francois-jacob/contrary-to-what-i-once-thought-scientific-progress-did-not-consist/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

[Image](https://sms4smile.com/quotes/i/7bf/francois-jacob-32171_conception_contrary-to-what-i-once-thought-scientif_427355.png)

## More by Francois Jacob

> [“What man seeks, to the point of anguish, in his gods, in his art, in his science, is meaning. He cannot bear the void.…](https://sms4smile.com/quotes/francois-jacob/what-man-seeks-to-the-point-of-anguish-in-his-gods-in-his-art-in-his/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [Contrary to what I once thought, scientific progress did not consist simply in observing, in accurately formulating experimental facts and drawing up a theory…](https://sms4smile.com/quotes/francois-jacob/contrary-to-what-i-once-thought-scientific-progress-did-not-consist/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [Evolution is a tinkerer.](https://sms4smile.com/quotes/francois-jacob/evolution-is-a-tinkerer/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [For me, this world of questions and the provisional, this chase after an answer that was always put off to the next day, all…](https://sms4smile.com/quotes/francois-jacob/for-me-this-world-of-questions-and-the-provisional-this-chase-after/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [“To produce a valuable observation, one has first to have an idea of what to observe, a preconception of what is possible. Scientific advances…](https://sms4smile.com/quotes/francois-jacob/to-produce-a-valuable-observation-one-has-first-to-have-an-idea-of/)

[François Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [It is natural selection that gives direction to changes, orients chance, and slowly, progressively produces more complex structures, new organs, and new species. Novelties…](https://sms4smile.com/quotes/francois-jacob/it-is-natural-selection-that-gives-direction-to-changes-orients/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [I think I’ve just thought up something important,](https://sms4smile.com/quotes/francois-jacob/i-think-i-ve-just-thought-up-something-important/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [It is hope that gives life meaning. And hope is based on the prospect of being able one day to turn the actual world…](https://sms4smile.com/quotes/francois-jacob/it-is-hope-that-gives-life-meaning-and-hope-is-based-on-the-prospect/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [Nature is a tinkerer, not an inventor.](https://sms4smile.com/quotes/francois-jacob/nature-is-a-tinkerer-not-an-inventor/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [Myths and science fulfill a similar function: they both provide human beings with a representation of the world and of the forces that are…](https://sms4smile.com/quotes/francois-jacob/myths-and-science-fulfill-a-similar-function-they-both-provide-human/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [One of the deepest functions of a living organisms is to look ahead... to produce future.](https://sms4smile.com/quotes/francois-jacob/one-of-the-deepest-functions-of-a-living-organisms-is-to-look-ahead/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [The game was that of continually inventing a possible world, or a piece of a possible world, and then of comparing it with the…](https://sms4smile.com/quotes/francois-jacob/the-game-was-that-of-continually-inventing-a-possible-world-or-a/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [I had turned my anxiety into my profession.](https://sms4smile.com/quotes/francois-jacob/i-had-turned-my-anxiety-into-my-profession/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [The Place of No Shadows, in Isaac Asimovs Science Fiction Magazine (1990) In our Universe, matter is arranged in a hierarchy of structures by…](https://sms4smile.com/quotes/francois-jacob/the-place-of-no-shadows-in-isaac-asimovs-science-fiction-magazine/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

> [In today’s vastly expanded scientific enterprise, obsessed with impact factors and competition, we will need much more night science to unveil the many mysteries…](https://sms4smile.com/quotes/francois-jacob/in-today-s-vastly-expanded-scientific-enterprise-obsessed-with-impact/)

[Francois Jacob](https://sms4smile.com/quotes/author/francois-jacob/)

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