Warren Buffett spoke several times about this, saying that he’d much rather deal with a person of middling IQ and some humility rather than a person with very high IQ but not as smart as they think.

I'm pretty sure he never said that. He has become like Einstein, where people have projected their beliefs onto him.

Here’s one his quotes.

https://www.cnbc.com/2017/10/12/heres-the-iq-score-warren-bu...