"We'll go back to the moon by not learning anything new."

"We need affordable space travel to inspire our youth, to let them know that they can experience their dreams, can set significant goals and be in a position to lead all of us to future progress in exploration, discovery and fun. Thanks to the X Prize for the inspiration."

"Our goal is to show that you can develop a robust, safe manned space program and do it at an extremely low cost."

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

"Testing leads to failure, and failure leads to understanding."