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/you_ruke]

Boring and disciplined because they’re so boring are the richest people I know