I was reading the Psychology of Money, where the author talked about Benjamin Graham, who was a mentor to Buffet, and it mentioned that most of Graham's wealth

I was reading the Psychology of Money, where the author talked about Benjamin Graham, who was a mentor to Buffet, and it mentioned that most of Graham's wealth came from a few stock picks that went against everything he wrote about in the the iconic book, Intelligent Investor. So it kind of is about luck.