What the mortgage bubble was all about was big banks like Goldman Sachs taking big bundles of subprime mortgages that were lent out largely to low-income, highly risky borrowers, and applying this kind of magic-pixie-dust math to these bundles of securities and slapping AAA ratings on them.

When I went into the seminary, I was one of those victims of New Math and had not had Algebra I and had no idea what we were doing in New Math in the ninth grade. But when I went into the seminary, they had gone the traditional route and taught first-year algebra.

I’ve been on swims where people have freaked out about sharks. You have to think about something else, otherwise it will absolutely paralyze you. I do math problems, anything.

Almost 50 years old now, some 30 years after graduation, I look at my Caltech classmates and conclude that math whizzes do not take over the world.

Everyone has the brainpower to follow the stock market. If you made it through fifth-grade math, you can do it.