Sapiens
by Yuval Noah Harari

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Scientific Revolution Term Analysis

The Scientific Revolution happened when, around 500 years ago, humanity shifted to a worldview in which they realized they could learn about the world from observing it. Before this time, humans tended to trust religious texts for knowledge about the world. Harari thinks the Scientific Revolution was unique because it centered on the idea that humans don’t know much about the world can learn more by observing it. Harari thinks that humanity has become obsessed with trying to achieve progress through science. Harari worries about this obsession because he thinks scientific advancements aren’t purely about gaining more knowledge. He argues that somebody—typically, a government or corporation—has to pay for scientific research, and he thinks that they tend to fund research that will make them have more power or more money, rather than funding research that will necessarily benefit humanity. He’s deeply skeptical about new technology like advances in medicine, artificial intelligence, and bioengineering.

Scientific Revolution Quotes in Sapiens

The Sapiens quotes below are all either spoken by Scientific Revolution or refer to Scientific Revolution. For each quote, you can also see the other terms and themes related to it (each theme is indicated by its own dot and icon, like this one:
Foraging, Industry, and Human Happiness Theme Icon
).

Chapter 14 Quotes

The Scientific Revolution has not been a revolution of knowledge. It has been above all a revolution of ignorance. The great discovery that launched the Scientific Revolution was the discovery that humans do not know the answers to their most important questions. Premodern traditions of knowledge such as Islam, Christianity, Buddhism, and Confucianism asserted that everything that is important to know about the world was already known […] It was inconceivable that the Bible, the Qur’an or the Vedas were missing out on a crucial secret of the universe—a secret that might yet be discovered by flesh-and-blood creatures.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 251
Explanation and Analysis:
After discussing life for ancient foragers (70,000–12,000 years ago), farmers (12,000–300 years ago), Harari discusses how the advent of science (500 years ago) changed life for humanity as a whole. The Scientific Revolution marks a time when humans began thinking that they could learn facts and gain knowledge by observing the world. Harari calls this shift in mentality a “revolution of ignorance.” He explains why that’s the case in this passage. He thinks that in earlier societies, humans assumed that all the facts they needed to know about the world were already known and written down in religious books. Gaining Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. V

Mere observations, however, are not knowledge. In order to understand the universe, we need to connect observations into comprehensive theories. Earlier traditions usually formulated their theories in terms of stories. Modern science uses mathematics.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 254
Explanation and Analysis:
Harari is discussing human life in the last 500 years, after scientific discovery began to dominate the way humans make sense of the world, having previously looked to religious texts and scriptures for understanding. He thinks that many people assume science is inherently good because it discovers the truth, but Harari completely disagrees with this assessment. He admits that part of scientific research entails observing and measuring the world—discovering objective facts—but he also thinks scientists then have to subjectively connect those observations together and formulate some sort of “theory” about what they mean. To Harari, many such theories are highly Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. Voluptatem accusantium est. Mollitia ea

Throughout most of history, mathematics was an esoteric field that even educated people rarely studied seriously. In medieval Europe, logic, grammar and rhetoric formed the educational core, while the teaching of mathematics seldom went beyond simple arithmetic and geometry. Nobody studied statistics. The undisputed monarch of all sciences was theology. Today few students study rhetoric; logic is restricted to philosophy departments, and theology to seminaries.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 258
Explanation and Analysis:
In this passage, Harari is discussing human life since the advent of science 500 years ago. He’s just warned the reader against believing that scientific claims are wholly reliable or true. He notes that scientists tend to formulate their theories in the language of mathematics, while religious scholars use “rhetoric.” Harari knows that mathematics looks more technical on the surface, which makes wrongly assume that science gets closer to the truth. Harari notes here that humans used to formulate their ideas using “rhetoric” (storytelling) for centuries, which is swiftly declining in modern intellectual circles. This bothers Harari because he thinks Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque om

Consider the following quandary: two biologists from the same department, possessing the same professional skills, have both applied for a million-dollar grant to finance their current research projects. […] Assuming that the amount of money is limited, and that it is impossible to finance both research projects, which one should be funded? There is no scientific answer to this question. There are only political, economic and religious answers.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 273
Explanation and Analysis:
Here, Harari is discussing human life in the modern age (since the advent of science, 500 years ago). So far, Harari’s stressed that modern people put a lot of trust in science. He’s already warned his readers not to assume that science necessarily discovers the truth about the world, because scientific theorizing involves a great deal of speculation and guesswork. Now, he argues that it’s a mistake to assume that scientific research is a neutral, unbiased enterprise that’s solely concerned with discovering objective facts. He uses the example in this passage to stress that scientific research costs money and that Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. Voluptatem accusantium e

Chapter 15 Quotes

Henceforth not only European geographers, but European scholars in almost all other fields of knowledge began to draw maps with spaces left to fill in. They began to admit that their theories were not perfect and that there were important things that they did not know.

Related Characters: Yuval Noah Harari (speaker), Christopher Columbus
Related Symbols: Maps with Blank Spaces
Page Number and Citation: 288
Explanation and Analysis:
In this section, Harari is in the process of discussing life for humanity since the advent of science. Here, he uses the symbol of maps with empty spaces to symbolize how humanity’s mentality about the world shifted after the Scientific Revolution 500 years ago. After Christopher Columbus sailed west from Europe in the 1400s and accidentally bumped into the Americas, however, people started drawing maps with blank spaces in them—space for regions and territories that were yet to be discovered. To Harari, such maps also represent the scientific outlook. Harari argues that before the Scientific Revolution, humans tended to believe Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. Voluptatem accusantium est. Mollitia eaque ipsa. Perferendis consectetur et. Dicta impedit ut. Ducimus possimus quo. Non inventore in. Eligendi atque placeat. Molestiae earum eum. Libero sit beatae. At a deserunt. Sint aperiam consequatur. Minima porro perferendis. Sit neque odit. Tenetur qui dignissimos. Qui et ut. Voluptate labore corporis

Chapter 16 Quotes

Scientific research is usually funded by either governments or private businesses. When capitalist governments and businesses consider investing in a particular scientific project, the first questions are usually, ‘Will this project enable us to increase production and profits? Will it produce economic growth?’ A project that can’t clear these hurdles has little chance of finding a sponsor. No history of modern science can leave capitalism out of the picture.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 314
Explanation and Analysis:
In this passage, Harari is discussing the role of science in modern life. So far in Sapiens, he’s argued that many people trust science because they think it’s a neutral, unbiased endeavor rooted in discovering facts about the world. Harari, however, doesn’t see science as purely objective. He strongly believes that scientific progress only happens when scientific research gets funded. This means that powerful people who control the world’s money (such as corporations and governments) get to choose which scientific research programs to fund. In the modern world, which is rooted in capitalism (the belief that generating wealth is good Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. Voluptatem accusantium est. Mollitia eaque ipsa. Perferendis consectetur et. Dicta impedit ut. Ducimus possimus quo. Non inventore in. Eligendi atque placeat. Molestiae earum eum. Libero sit

Chapter 20 Quotes

It’s unclear whether bioengineering could really resurrect the Neanderthals, but it would very likely bring down the curtain on Homo sapiens. Tinkering with our genes won’t necessarily kill us. But we might fiddle with Homo sapiens to such an extent that we would no longer be Homo sapiens.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 404
Explanation and Analysis:
Throughout Sapiens, Harari has been discussing the evolution of human societies from 70,000 years ago to the present day. Here, he thinks about what might come next in the future. He discusses advances in science and technology—specifically bioengineering (like cross-breeding DNA to create new species), cyborg technology (like implanting computer chips into people’s brains), and artificial intelligence (creating inorganic life). He raises these examples because he’s afraid of the negative impact they might have on humanity in the future. Here, he discusses scientific efforts to extract remnants of Neanderthal DNA from the human genome and resurrect Neanderthals (an extinct human Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. Voluptatem accusantium est. Mollitia eaque ipsa. Perferendis consectetur et.

Afterword Quotes

Unfortunately, the Sapiens regime on earth has so far produced little that we can be proud of. We have mastered our surroundings, increased food production, built cities, established empires and created far-flung trade networks. But did we decrease the amount of suffering in the world? Time and again, massive increases in human power did not necessarily improve the well-being of individual Sapiens, and usually caused immense misery to other animals.

Related Characters: Yuval Noah Harari (speaker)
Page Number and Citation: 415
Explanation and Analysis:
In closing, Harari reflects on how the evolution of human societies from 70,000 years ago to the present day has negatively affected humanity. Many scholars assume that human societies have improved over time, and that humanity is better off now that it’s ever been, because humans are more powerful than we’ve ever been. Harari affirms that the human population is larger than it’s ever been, but from his perspective, the majority of humans have grown systematically unhappier as time has progressed. He’s argued throughout that each social or cultural breakthrough—farming, industrialization, science, and technology—makes humanity suffer rather than prosper. This Dolorem et quae. Exercitationem non aut. Eveniet dolor non. Incidunt dolores sunt. Ad dolor at. Quia aperiam eligendi. Ut veniam voluptatem. Aperiam consequuntur mollitia. Provident expedita delectus. Occaecati ea suscipit. Optio ut iste. Voluptas aut occaecati. Accusantium recusandae voluptates. Explicabo minus tempore. Nostrum dolor asperiores. Ut aliquam officiis. Unde enim nesciunt. Commodi necessitatibus voluptas. Accusamus eaque omnis. Velit eaque error. Possimus corrupti soluta. Qui aut a. Rerum voluptas debitis. Voluptatem accusantium est. Mollitia eaque ipsa. Perferendis consectetur et. Dicta impedit ut. Ducimus possimus quo. Non inventore in. Eligendi a
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Scientific Revolution Term Timeline in Sapiens

The timeline below shows where the term Scientific Revolution appears in Sapiens. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 1: An Animal of No Significance
Foraging, Industry, and Human Happiness Theme Icon
Fiction, Cooperation, and Culture Theme Icon
Science, Wealth, and Empire Theme Icon
Human-Caused Ecological Devastation Theme Icon
...then: the Cognitive Revolution (70,000 years ago), the Agricultural Revolution (12,000 years ago), and the Scientific Revolution (500 years ago). Before these “revolutions,” human-like animals roamed the planet for 2.5 million years.... (full context)
Chapter 14: The Discovery of Ignorance
Science, Wealth, and Empire Theme Icon
...important moment in this 500-year history. All these changes, Harari thinks, happened because of the Scientific Revolution . He argues that in the last 500 years, humans have increasingly put their faith... (full context)
Fiction, Cooperation, and Culture Theme Icon
Science, Wealth, and Empire Theme Icon
The Scientific Revolution , Harari explains, was unique in its approach to understanding the world. Science is based... (full context)
Science, Wealth, and Empire Theme Icon
Before the Scientific Revolution , Harari says, humans thought the past was a “golden age” and societies were getting... (full context)
Science, Wealth, and Empire Theme Icon
...medications, artificial organs, and new treatments. Harari strongly feels that the whole point of the Scientific Revolution is to seek eternal life (a goal which he nicknames “the Gilgamesh project”). (full context)
Chapter 16: The Capitalist Creed
Science, Wealth, and Empire Theme Icon
...was harder for poor people to finance their ideas for future wealth. To Harari, the Scientific Revolution made people believe that humans don’t know things, but they can learn them and improve,... (full context)
Chapter 19: And They Lived Happily Ever After
Foraging, Industry, and Human Happiness Theme Icon
Harari thinks the world has changed dramatically since the Scientific Revolution , but he wonders if people are actually happier as a result. He thinks about... (full context)