Each one of us has the power to be the change we want to see in the world, making the world a better place.
Being a father has been, without a doubt, my greatest source of achievement, pride and inspiration. Fatherhood has taught me about unconditional love, reinforced the importance of giving back and taught me how to be a better person.
Trust your gut instinct over spreadsheets. There are too many variables in the real world that you simply can't put into a spreadsheet. Spreadsheets spit out results from your inexact assumptions and give you a false sense of security. In most cases, your heart and gut are still your best guide.
I believe we need a more opportunistic and democratic approach to lunar exploration, now that we're shifting from U.S. government-sponsored space exploration to private expeditions.