The criticism is, once I get something flying, I lose interest in it.

In 12 or 15 years, there will be routine, affordable space tourism not just in the U.S. but in a lot of countries.

It's not good enough for us to have generations of kids that ... look forward to a better version of a cell phone with a video in it. They need to look forward to exploration.

Achieving something that has never existed in manned spaceflight and that is high volume and public access.

The criticism is, once I get something flying, I lose interest in it.

Airplanes were invented by natural selection. Now you can say that intelligent design designs our airplanes of today, but there was no intelligent design really designing those early airplanes. There were probably at least 30,000 different things tried, and when they crash and kill the pilot, don't try that again.

A NASA astronaut and a Russian cosmonaut can't be creative. He has to follow a predetermined detailed checklist written by an engineer and if he gets a little creative he'll never fly again.