“It is still just unbelievable to us that diarrhea is one of the leading causes of child deaths in the world.”

If I really believe all lives have equal value, and if I use contraceptives, which I do, and if I’m counselling my son and my two daughters to use them, how am I not serving the women who don’t have access to the contraceptives they need?

When we better understand the realities of these women’s lives, we are able to design and deliver solutions that are more useful to them.

One life is worth no more or less than any other.

My undergraduate work was in computer science and economics. It just happened to be at that time when 34 percent of computer-science majors were women. We didn’t realize it was at the peak at the time.

That’s universal – we all want to bring every good thing to our children. But what’s not universal is our ability to provide every good thing.

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

Vaccines are a miracle cure. Eight out of 10 children are getting vaccines.

Women around the world should have a tool that helps them plan their pregnancies.

Helping people doesn’t have to be an unsound financial strategy.

You can have the best vaccines for a woman or her child, but if you can’t get her to come and get them then they won’t work.

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.

All lives have an equal value.

Any social or cultural change has to be made openly and with people agreeing. You don’t get there by just pushing an outsider’s point of view.

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.

If you don’t have an effective teacher in front of the classroom, you won’t change the trajectory for students.

Having children made us look differently at all these things that we take for granted, like taking your child to get a vaccine against measles or polio.

I believe that one of the best ways of getting at truth is reflecting with others who have opposing views and who share your interest in finding the truth rather than being proven right

Envision, create, and believe in your own universe, and the universe will form around you.

I believe that one of the most important things to learn in life is that you can make a difference in your community no matter who you are or where you live.

If you believe you can, you might. If you know you can, you will.

Faith is the effort to believe what your common sense tells you is not true.

Ignorance and arrogance are the artist’s and entrepreneur’s indispensable allies. She must be clueless enough to have no idea how difficult her enterprise is going to be and cocky enough to believe she can pull it off anyway.”

When he tells you he’s a bad man, believe him.

You have to start by believing in yourself.