Because I was poor I had one special advantage. When you are poor, and basic survival is your concern, you have no alternative but to be an entrepreneur. You must take action to survive just as you must take action to seize an opportunity.

Our education system was developed for an industrial era where we could teach certain skills to our children and they were able to use these skills for the rest of their lives working productively in an industry.

Governments take too long to get things done and there are far too many varied interests at stake. If you were starting a business today and needed a partner, you would never choose a large bureaucratic institution like the government.

I believe our legacy will be defined by the accomplishments and fearless nature by which our daughters and sons take on the global challenges we face. I also wonder if perhaps the most lasting expression of one's humility lies in our ability to foster and mentor our children.

When I finally had the chance to make my childhood dream a reality - as a co-founder and chairman of Moon Express - my goal was to broaden participation in lunar exploration, and connect the common person to its results. We plan to send robotic rovers - not humans - to the Moon to search for precious metals and rare minerals on the Moon's surface.

If there is one thing I have learned on this incredible journey we call life, it is this: the sign of a truly successful individual is humility.

The truth is, what Americans enjoy about football is much of what makes the sport dangerous. However, I believe there must be a way to find the art of success and vitality in football, without the driving the level of impact that causes serious risk of head trauma, paralysis and other life-changing injuries.