At school, I decided I wanted to be a director and then I went out and spent the rest of my adult life trying to be a director. It was really clear to me. So in that sense I was very lucky.
On Career Day in high school, you don't walk around looking for the cartoon guy.
Fortunes are made, and disappear, over the lifetime of a single generation. Today, a person in essence takes his wealth from society just for the duration of his or her lifetime. The next generation has to create it anew.