Maria Bartiromo

Don't ever, ever, believe anyone who tells you that you can just get by, by doing the easiest thing possible. Because there's always somebody behind you who really wants to do what you're doing. And they're going to work harder than you if you're not working hard.

Having the opportunity to follow the market frequently gives you the opportunity to see if you need to reevaluate your portfolio. But reevaluating your portfolio shouldn't trigger a sell signal so frequently.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.