I never went to the gym before in my life. But, at 32, I notice that my body responds negatively to bad food, so I must make double the effort.

The goal of my philanthropic work has always been to make sure that every child has a chance to live up to his or her potential. That means our work won't be done until every child has access to quality education from early childhood to adulthood.

I think this generation can play a very important role. If we act now, this could be the first generation to witness universal education.

Scars remind me of just how far that I've come.

I love reading about history. Sometimes, I feel I was born in the wrong era. There was more creativity in the air when people were still discovering new worlds.

It's incredibly liberating to spend an hour talking to someone and not caring about what you sound like. It's about understanding myself. Sometimes I'll speak to my therapist for an hour a day. It's become part of my routine.

We can work together across countries and cultures like never before through the Internet and social media. Everyone can make a difference, whether it is by building a school, sponsoring a child's education, volunteering at their local school, or working to hold leaders accountable for their promises.