Henry Spencer

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

Large solid rockets have never been a very good way to build launchers that might have crews on top, especially because of the problems in getting the crew away from a failing launcher.

Technically and financially, it might still make sense to give up on Ares I and simply write off the money spent on it, but politically, that's probably impossible.

Governments can't keep looking over the shoulder or at the constellation of stars. You have got to do what you have got to do.

I've been watching 'Game of Thrones,' and I can't wait for 'Bored to Death' to come back, it's one of my faves.

In these days a man is nobody unless his biography is kept so far posted up that it may be ready for the national breakfast-table on the morning after his demise.