Thinking books · Human nature & society · Yuval Noah Harari, 2011

Sapiens — the big ideas

A sweeping history of humankind organised around shared fictions.

Free — no account needed to read

The big ideas

Large-scale cooperation rests on shared imagined orders — money, nations, companies, human rights — which are real in their effects precisely because enough people act as if they are real.

It argues the agricultural revolution improved the species’ numbers while worsening most individual lives, which is a useful separation of aggregate from individual outcomes.

It is a synthesis, and specialists dispute many specifics. Read it for the frame rather than as settled history.

Practise it — no need to have read it

Name three things in your working life that exist only because enough people agree they do. Write what would happen if that agreement stopped.

A hint: Money, job titles and deadlines are all good candidates.

Where it shows up in real life

• Understanding institutions
• Brand and reputation
• Why some rules have power and others do not

Described in our own words with the source named — never quoted, and not a substitute for reading the book.