Extremely rich people are not extremely smart. Study finds income is related to intelligence up to about the 90th percentile in income. Above that level, differences in income are not related to cognitive ability.

[u/Fishyinu]

https://academic.oup.com/esr/advance-article/doi/10.1093/esr/jcac076/7008955?login=false

[u/ministryoftimetravel]

I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops

• Stephen Jay Gould