Author

Joseph Henrich

16 key ideas across 2 books, each explained in our own words.

The Secret of Our Success

IDEA 1
Culture made humans successful
Henrich argues that humans did not conquer the planet mainly because individuals are clever. Our real advantage is culture: knowledge, skills and practices accumulated and passed down over many generations, far beyond what any single person could invent.
IDEA 2
Lost explorers show our limits
Henrich describes European explorers who died in places where local peoples thrived, such as the Burke and Wills expedition in Australia. Without local cultural knowledge, intelligent people could not find food or survive.
IDEA 3
Traditions hide wisdom
Henrich describes how people in South America process manioc, a root that contains poison, through long, careful steps. Most people follow the tradition without knowing why, yet it protects them.

IDEA 1
Westerners are psychologically unusual
Henrich argues that people from Western, Educated, Industrialised, Rich and Democratic societies, which he calls WEIRD, are psychologically unusual. They tend to be more individualistic, analytical and trusting of strangers than most humans in history.
IDEA 2
Psychology studied a narrow group
Henrich points out that much psychological research was based on WEIRD students. This gave a misleading picture of human nature. Henrich argues that findings from such a small group cannot be assumed to hold for everyone.
IDEA 3
Kinship once shaped everything
In most societies, Henrich explains, strong kinship ties organised life, with loyalty to extended family and clan. These ties shaped psychology. Henrich argues that in such societies, who you were related to decided much of your place in life.

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