I was on Oprah's show recently talking about the people who impacted me the most. One was a teacher and one was my soccer coach. I didn't even go into my family, who had the most influence.

You start to think bigger when you see how quickly a TV show can catch on in a whole country. That confidence, and thinking big, opened a lot of doors.

I'd never been a teacher before, and here I was starting my first day with these eager students. There was a shortage of teachers, and they had been without a math teacher for six months. They were so excited to learn math.

Winning isn't everything, but playing and competing and striving and going through things can be a lot of fun and really important. As long as you're doing it in a way that's healthy, sports can be an incredible opportunity.

There are 80 million moms in the United States. Forty million stay at home with their children.

The biggest lesson from Africa was that life's joys come mostly from relationships and friendships, not from material things. I saw time and again how much fun Africans had with their families and friends and on the sports fields. they laughed all the time.

Young people can be the catalyst for starting the effort to redefine what's important in America.