A woman with a voice is by definition a strong woman. But the search to find that voice can be remarkably difficult.

Abortion has become a very politicised issue that I think countries have to work out themselves. In a lot of countries, people can't even yet agree on what their laws should be.

[Bill Gates] wanted me to stay working at Microsoft, but I didn't think he could be CEO and we could have the family life that we both had growing up, which is what we envisioned. I knew I would go back to work at some point later to some profession. I just didn't know what.

I care much more about saving the lives of mothers and babies than I do about a fancy museum somewhere.

What great changes have not been ambitious?

If we're going to make progress on this issue [of contraception], we have to be really clear about what our agenda is. We're not talking about abortion. We're not talking about population control. What I'm talking about is giving women the power to save their lives, to save their children's lives and to give their families the best possible future.

Human-centered design. Meeting people where they are and really taking their needs and feedback into account. When you let people participate in the design process, you find that they often have ingenious ideas about what would really help them. And it’s not a onetime thing; it’s an iterative process.