The quickest way to become a millionaire in the airline business is to start out as a billionaire.

It is the satisfaction of doing it for yourself and motivating others to work with you in bringing it about. It is about the fun, innovation, creativity with the rewards being far greater than purely financial.

There's no better satisfaction than watching the people around you, who have worked day and night to get something right, realising the dream.

Customers shouldn't just think of your business as a place to buy a product or use a service - it should be a fun place to be.

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.

If you look after your staff, they'll look after your customers. It's that simple.

Ridiculous yachts and private planes and big limousines won't make people enjoy life more, and it sends out terrible messages to the people who work for them. It would be so much better if that money was spent in Africa - and it's about getting a balance.