You need to work very hard, you have to spend a lot of time practicing your sport - six to seven hours daily.
I think that focusing on the money, on the business, is not enough.
People come from around the world and can understand each other without even speaking the same languages!
I am alone, some people help me, but, basically, I can do what I want.
First do it, then say it.
Often you need to take some risk, but it must be a realistic risk, you can't take a crazy risk.