Sapiens: A Brief History of Humankind by Yuval Noah Harari is a sweeping and provocative look at the history of humanity, from the emergence of Homo sapiens in Africa 300,000 years ago to the present day. Harari, an Israeli historian, takes readers on a whirlwind tour of key moments in human history, including the Cognitive Revolution, the Agricultural Revolution, and the Scientific Revolution.

One of the central themes of Sapiens is that what makes humans unique is our ability to believe in and cooperate around shared fictions like money, nations, religion, and human rights. Harari argues that it is this ability to imagine realities and organize in large numbers that has allowed Homo sapiens to become the dominant species on Earth.

The book is divided into four main parts:

  1. The Cognitive Revolution (70,000 years ago)
  2. The Agricultural Revolution (12,000 years ago) 
  3. The Unification of Humankind (the last 2000 years)
  4. The Scientific Revolution (the last 500 years)

In each part, Harari examines how a key shift in human cognition or social organization dramatically altered the course of history. For example, he proposes that the Agricultural Revolution, while allowing the human population to explode, actually led to a worse quality of life for individuals and sowed the seeds for social hierarchies and patriarchy that persist to this day.

While sweeping in scope, Sapiens does not shy away from controversial arguments. Harari questions whether the direction of human history has been one of clear progress, and if our species has become happier over time. He ponders the implications of modern biotechnology and artificial intelligence, asking if we are on the verge of becoming "a-mortal" cyborgs.

Sapiens has been praised for its engaging, accessible prose and its ambitious retelling of human history. Some historians and anthropologists have criticized it for making overly broad generalizations. 

Overall, it is a stimulating and enjoyable read for anyone interested in the big questions of who we are and where we came from.

In summary, Sapiens is an erudite yet provocative history of humankind filled with fascinating insights about what makes us human. It will leave you pondering the peculiar trajectory of our species and what the future may hold for Homo sapiens. I highly recommend checking it out.

Philip Lufolk