Mark Cuban: success and motivation – You only have to be right once
blogmaverick.com
blogmaverick.com
I don't mean to say he didn't work hard or doesn't deserve what he's earned, but discipline and hard work don't generally lead to billions of dollars like they did in his case. It seems more likely to me that luck played a significant role in his (extreme) success, and determining the influence of his being right compared to the influence of his being lucky is probably impossible.