A company is simply a group of people. And as a leader of people, you have to be a great listener, you have to be a great motivator, you have to be very good at praising and looking for the best in people. People are no different from flowers. If you water flowers, they flourish. If you praise people, they flourish. That's a critical attribute of a leader.

So unlike having to convert, you know, all the cars' or all the lorries' petrol stations, once you've actually got the clean fuels, it's relatively easy to, you know, get it to the airplanes.

We will eventually build space science labs and hotels, prodding the capability for missions beyond the orbit of the Earth. Our space-hotel guests will be able to take breath-taking excursions, flying a couple of hundred feet above the Moon's surface in small two-man spaceships. In time, we will launch missions to Mars and beyond.

I am always working on the go.

In 30 years time, as technology moves forward even further, people are going to look back and wonder why offices ever existed.

Records are made to be broken. It is in man's nature to continue to strive to do just that.

If you want milk, don't sit on a stool in the middle of a field in the hope that a cow will back up to you.