The important thing is that you've got a strong foundation before you start to try to save the world or help other people.

Be authentic and organic. It can't be forced or it won't work. And most importantly, have fun.

I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.

Failing can provide invaluable lessons and making mistakes and experiencing setbacks is part of the DNA of every successful entrepreneur.

And from, you know, small ideas, bigger ideas emerge. So we're starting with suborbital space flights and we'll then go into orbital space flights and, you know, maybe one day we'll send people on a one-way voyage into the depths of space as per the science fiction trips.

Your employees are your company’s real competitive advantage. They’re the ones making the magic happen-so long as their needs are being met.

If you're hurt, lick your wounds and get up again. If you've given it your absolute best, it's time to move forward.