Around the world we have girls in primary school at about the same rate now as boys, but keeping them in quality secondary schools is where the world is lagging. I'm seeing a lot of countries look at this now.

Make sure you continue to trust what you know now about yourself and stay true to what you believe in

Everyone agrees that the failure of our high schools is tragic. It's bad business, and it's bad policy. But we act as if it can't be helped. It can be helped. We designed these high schools; we can redesign them.

All lives have an equal value.

We start with an economic approach. We look at what are the greatest causes of death in the developing world, and what causes the largest amount of disability, which would prevent you from getting a job. A lot of those deaths start with diseases, diseases we don't get in such a great number in the United States.

After a number of years dating, we decided we were good partners.

Men make different investments than women do. Women tend to invest more of their earnings than men do in their family's well-being - as much as 10 times more.