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Sapiens: A Brief History of Humankind by Yuval Noah Harari

716e6dq4bxl I was reading this book while my girlfriend was reading “Better Angels of our nature”. We came to the conclusion that the concepts in these 2 books were pretty similar, but sometimes the takeway a bit different.

Humans wiped out many species, both humanoid and not. 300 000 years ago there were many humanoids, but humans prevailed. We were an ecological catastrophe for everything on our path. we wiped out nearly all of the big mammals.

50 000 years ago, Australia many of these amazing creatures, but once we’ve arrived – they were gone in couple of thousands of years.

The book is organized into retracing history of mankind through revolutions: Cognitive Revolution, Agricultural Revolution, Unification of Humankind, Scientific revolution.
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Cognitive Revolution – 70 000 years ago

We can point to bigger prefrontal cortex or ability to use tools, but the biggest cognitive revolution was that humans learned to believe and obey common myths. Money, Religion, Corporations and everything that is not a physical force or an object is actually an imaginary myth that works only if people believe in it. These myths are sometimes counterproductive and harmful, but we still obey it and believe its a law of nature.

The natural limit for a human group to operate is about 150 individuals. We cannot be in constant contact with more, but corporations and large institutions function because we have shared myths that trancend these limitations.

Sidenote – culture is more important the larger the organisation really is. Should we codify more culture in a8c? )

It’s worth pointing out that all this was actually thanks to the invention of language and the fact that our language enabled us to communicate effectively with one another, convey concepts and create these shared myths.

Agricultural Revolution – 12 000 years ago

We usually have 2 notions of human life before setting into agriculture: either we were very hungry or very happy.

The truth is probably less picturesque but its worth keeping in mind that people were covering long distances with their hunter-gatherer foraging. They had a pretty diverse diet of fruit, plants, vegetables, grains and nuts.

They had small tribes where they depended on each other and they couldn’t carry much stuff with them since they had to carry everything on their backs.

With the agricultural lifestyle that all changed. We started to have a “homebase” which constituted a safe place to store “stuff”. Since we had a place to store material belongings, some people started to accumulate them quicker and quicker.

Now there was wealth to conquer and that resulted in bloody conflict over borders. When we carried everything on our backs, that made no sense but now we were reluctant to abandon our stuff, so we fought for it. To the death.

Our diet also shrunk from pretty diverse to only a handful grains, vegetables and animals (often simple monocultures). The biggest evolutionary benefactor of agricultural revolution is actually a chicken, cow and a pig.

This discrepancy between evolutionary success and individual suffering is perhaps the most important lesson we can draw from the Agricultural Revolution

Suffice it to say, that new restricted diet did not result in better health or people being less hungry but with an explosion of population.

The sad fact about agricultural revolution is that farming is actually much harder and time-consuming than foraging.  It’s common to ask oneself: why bother with all of that?

Well, once people settled and populations exploded, we really hit a point of no return.

Once the population was big enough, we developed a “crust” sphere which could occupy their time with other pursuits

Unification of Humankind

In the book trade is pictured as a safe and benevolent unification force.

Money is more open-minded than language, state laws, cultural codes, religious beliefs and social habits. Money is the only trust system created by humans that can bridge almost any cultural gap, and that does not discriminate

Writing was also invented at first to track money bu Summerians of Mesopothamia about 3000 BC.

Apart from money, there was another unification force: global empires.

With money, writing and shared beliefs it was much easier to provide peace and stability. we think of them as cruel and authoritarian, but the truth is that actually it was much safer in the empires than with many tribes  / smaller countries fighting for power.

Also, empires tended to provide steady law and protection (for the taxes of course).

The counclusion is : its much safer now than before

Scientific revolution 16th / 17th century

The biggest idea of scientific revolutions is that we don’t know it all. We have stuff to discover. Sacred texts do not contain all the answers.

Today, wealth consists mainly of human capital and organizational know-how. Consequently it is difficult to carry it off or conquer it by military force

Before, it was common to loose 2-3 children to premature deaths. Now, infant mortality is only 1 / 1000 people.

Apart from opening trade as an option to increase quality of life, it has an interplay with science and progress.

Most of the scientific breakthroughs were privately funded by heads of state that wanted to invest in technology in order to reap material benefits.

Exploration pushed europe as emerging force, unfortunately at the expense of local populations.

Now whole world it a testiment to european imperialism.

Important to remember:

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