“We found out the Gemini spacesuit was, well, oxygen was flowing to keep me cool as well as to breathe, and it wasn't good enough. My visor got fogged.”

“After Apollo 17, America stopped looking towards the next horizon. The United States had become a space-faring nation, but threw it away. We have sacrificed space exploration for space exploitation...”

“I do believe there is life in outer space. Mathematically, there has to be, and if you believe as I do that there is a creator of the universe, then how can we be so arrogant to believe he created ...”

“Am I willing to go to Mars? Yes, but I'm not willing to spend nine months getting there, then wait 18 more months until the planets align to come home.”

“Today, we are on a path of decay. We are seeing the book close on five decades of accomplishment as the leader in human space exploration.”

“When you head on out to the Moon, in very short order, and you get a chance to look back at the Earth, that horizon slowly curves around in upon himself, and all of sudden you're looking at somethi...”

“When man will return to nature, nature will return to him.”

“The sky is an enormous man.”

“When the full-grown poet came,Out spake pleased Nature (the round impassive globe, with all its shows of day and night,) saying, He is mine;But out spake too the Soul of man, proud, jealous and unr...”

“I am not saying that Hitler was a choir boy. But I am saying, let him who was innocent in the Second World War cast the first stone.”

“Who I am as a guitarist is defined by my failure to become Jimi Hendrix.”

“Pride is ugly. It says, 'If you succeed, I am a failure.'”

“So imagine that the lovely moon is playing just for you - everything makes music if you really want it to.”

“I swear that girl was born with a pen in her hand, the moon in her hair and stars in her soul.”

“We ran as if to meet the moon.”