SPOILER içerir...
First, I wanna provide a brief summary of the book then I will share my comments on it:
Humans defeated famine, plague and war (starvation, epidemics and violence)
Humanities new targets are immortality, happiness and divinity by using artificial intelligence, big data, biotechnology, genetic engineering, regenerative medicine and nanotechnology and thus upgrading Homo Sapiens to Homo Deus.
Imminent dangers are climate change, global warming, pollution
Humans domesticated more than 90% of all large animals and thus conquered the world.
But humans are no different than animals since we have no soul, consciousness, mind or free will. Our sensations, emotions, desires and thoughts are biochemical data processing algorithms
What makes humans more special than animals are not our soul, mind or consciousness but our ability to cooperate flexibly in large numbers by creating ‘fictional myths’ such as money, corporation, state, gods. Fictions enable us to cooperate better and without fiction no complex human society can function.
Scientists study how the world functions, but there is no scientific method for determining how humans ought to behave. So, countries cannot function on the basis of scientific theories alone. They require some religion or ideology to maintain order.
Humanism (the worship of humankind which sanctifies life, happiness and power of Homo Sapiens) became the dominant world religion for the last 300 years.
Humanism split into three main branches, all of which believe that human experience is the supreme source of authority and meaning, yet they interpret human experience in different ways: Orthodox Humanism (Liberal humanism or simply as liberalism), Socialist Humanism (Communism, leftists), Evolutionary Humanism (Racism, Fascism