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

"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."

"Mom was the greatest influence of my childhood. She wanted to save me from the vice, lust, and drinking that was all about me."

"A first-generation fortune is the most likely to be given away, but once a fortune is inherited it's less likely that a very high percentage will go back to society."

"To the biologist the problem of socialism appears largely as a problem of size."

"My parents signed me up for classical guitar lessons, which made for two years of the most depressing Wednesday evenings."