You can't save kids just with vaccines.

Housework comes first, so girls often fall behind in school. Global statistics show that it's increasingly girls, not boys, who don't know how to read.

We started our foundation because we believe we have a real opportunity to help advance equity around the world, to help make sure that, no matter where a person is born, he or she has the chance to live a healthy, productive life.

Even in our own agriculture strategy, if we got a great new drought-resistant seed and we managed to get it distributed in the system, we just assumed that it would reach female farmers. That's a false assumption, because women don't interact with agro-dealers. So if you don't develop specific programming to ensure that seed gets in a woman's hands, then the extra income [generated by higher-yielding crops] goes into her husband's hands.

Philanthropy is not about the money. It's about using whatever resources you have at your fingertips and applying them to improving the world.

Today is International Women's Day, and there's a fantastic set of pieces running by an organization called ONE called "Poverty Is Sexist." It's a great way to quickly learn about what's actually going on for women in poverty around the world, and then do something about it.

Bill and I both firmly believe that even the most difficult global health problems can be solved.