"The things I ended up being really good at were the things I found myself putting effort into. A lot of people talk about passion, but that's really not what you need to focus on. You really need to evaluate and say, 'Okay, where am I putting in my time?'" says Cuban.
"Because when you look at where you put in your time, where you put in your effort, that tends to be the things that you are good at. And if you put in enough time, you tend to get really good at it," explains Cuban.
