If I want to continue to build the kind of effort we have with Do Something, being in a public office would help. I wouldn't rule it out, but it's not something I feel determined to do.

Fear is that thing that keeps you up there on that other plateau. Fear is that thing that just keeps you closed down, and quite frankly, alone.

It's easy to say young people should believe in themselves, but the number one thing is recognizing that it's a journey, that you have to build confidence in yourself.

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.

I learned hard lessons, and I've taken that lesson and it's helped me become a better business person and a better leader.

I am not in favour of quotas. Just put the best person into the job. It is not about gender; it is about experience, leadership and vision.

Most people don't like change. They revolt against it unless they can clearly see the advantage it brings. For that reason, when good leaders prepare to take action or make changes, they take people through a process to get them ready for it.

NewSpace companies are staffed by young, new leaders who worship the giants who got us here, such as the recently passed Neil Armstrong, and are eager to work with NASA to do great things together - but we have to both give them a chance and get out of the way.