Sapiens: A Brief History of Humankind
Yuval Noah Harari · 2011
"Homo sapiens came to dominate the planet not through individual strength or intelligence but through a unique capacity for large-scale cooperation built on shared fictions — money, nations, religions, and corporations that exist only because enough people believe in them together."
Harari's central argument is that what separates Sapiens from other human species and animals isn't raw intelligence or physical capability but a 'cognitive revolution' — the capacity to communicate about things that don't physically exist (gods, nations, corporations, human rights) — which lets total strangers cooperate at a massive scale by believing the same shared fiction, something no other species can do.
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Mindset: The New Psychology of Success
"People who hold a 'growth mindset' — believing ability can be developed through effort — tend to achieve more and handle setbacks better than those with a 'fixed mindset,' though later large-scale replications found the effect considerably smaller and more context-dependent than the book implies."