How to Be a Great Entrepreneur

After 21 when you're coming back, how did you know you were going to be a great entrepreneur? I guess I'd open up a spreadsheet one day and I start doing the math. What would it take to accumulate enough money to basically be able to never work again? And what was that for you? Well, so I came up with this number 7 million. But if I had that I could go out and he could spend time being useful in the world.