I have seen humility in many of the finest leaders I have met the world over. And indeed, it is embodied in the warm, engaging and quintessentially successful spirit of Sir Richard Branson.

Stay focused on the mission.

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.

All the conservation efforts in the world won't be enough to make a dent in the oncoming sustainability crisis our planet faces.

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.

Athletes at all ages are bigger and stronger than ever before. And they are being encouraged - sometimes even incentivized, as we recently learned was the case on at least one National Football League team - to play to injure.

Success is not how much money you have in a bank. Success is how many lives you have touched.