And obviously, from our own personal point of view, the principal challenge is a personal challenge.

We don't actually plan to launch new businesses over the next few years, but we are planning to take the ones we have into new territories.

Space travel will be like every other business. There will be competitors. . . . Thirty months from now, I'm confident we'll be flying people into space.

I myself have benefited from many mentors throughout my life.

Confidence breeds confidence and negativity breeds negativity. Treat those around you with respect and dignity and they will thrive.

One thing is certain in business: you will make mistakes. When you are pushing the boundaries, mistakes are inevitable-how you react is important.

Business opportunities are like buses, there's always another one coming.