“Progress requires setbacks the only sure way to avoid failure is not to try. ”

“Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth i...”

“The Orion capsule uses an escape system quite like that of the Apollo spacecraft in the 1960s and 70s: an 'escape tower' containing a solid-fuel rocket that will pull it up and away from Ares I in ...”

“Whether solid rockets are more or less likely to fail than liquid-fuel rockets is debatable. More serious, though, is that when they do fail, it's usually violent and spectacular.”

“Sometimes people wonder why aeroplanes are so cheap and rockets are so expensive. Even the most superficial comparison shows one obvious difference: aeroplane engines use outside air to burn their ...”

“Reusable rockets promise much easier testing because you should usually get them back, and you can debug as you go rather than having to get everything perfect the first time.”

“Yes, a war is inevitable. Firstly, there's you fellows who can't be trusted. And then there's the multitude who mean to have bathrooms and white enamel. Millions of them; all over the world. Not me...”

“Well-being is attained little by little, and nevertheless is no little thing itself.”

“Be not the first by whom the new is tried, Nor yet the last to lay the old aside, is a safe rule for those who would always retain the good opinion of that all-powerful, but somewhat unintelligent,...”

“You cannot withstand continual setbacks unless you've seen a worthwhile vision...”

“Each year the winning team of the Super Bowl loses some ground (yardage) throughout the game. Yet they always keep their minds fixed on the goal, push through the opposition, and, as a result, adva...”

“The benefits from stardom as Klinger outweigh any setbacks. It's a double-edged sword. What makes you famous is what interferes with getting other roles.”

“The only failure is not to try.”

“We decided to try in vitro, because both Peter and I felt we couldn't handle another failure. When I miscarried after that, we had to come to terms with the possibility that this wasn't meant to be.”

“I try to be cool with everybody, but sometimes, everybody just has different personalities, motives, and different characters.”