It's said that a wise person learns from his mistakes. A wiser one learns from others' mistakes. But the wisest person of all learns from other's successes.” ― John C. Maxwell
Warren Buffett is not cool or sexy, but if you are seeking wise advice he is the go to man.
According to Wikipedia, "He (Warren Buffett) is considered one of the most successful investors in the world and has a net worth of US$82.5 billion as of March 9, 2019, making him the third-wealthiest person in the world.”