I'd say it's that most people think that very wealthy people...

I'd say it's that most people think that very wealthy people take huge risks and that's why they have huge rewards. But the very best on earth are completely obsessed with not losing money. That sounds overly simplistic, but they know that if you lost 50 percent, it takes 100 percent to get even. Most people don't make that math in their head, so it takes years and years. They are obsessed with not losing money.