“Success is feeling good about the work you do throughout the long, unh...” — Chris Hadfield Quote

“Success is feeling good about the work you do throughout the long, unheralded journey that May or may not wind up at the launch pad. You can't view training solely as a stepping stone to something loftier. It's got to be an end in itself.”

“As an astronaut, especially during launch, half of the risk of a six-month flight is in the first nine minutes.”

“And then finally, I'm the commander, so I am fundamentally responsible for the lives of the other people on board and the health and longevity of the space station. I need to bring six people back happy, healthy and feeling like they've had the best six months of their life.”

“Life off Earth is in two important respects not at all unworldly: you can choose to focus on the surprises and pleasures, or the frustrations. And you can choose to appreciate the smallest scraps of experience, the everyday moments, or to value only the grandest, most stirring ones.”

“For whatever reason, I decided: 'I'm 18, I'm a man, I'm going to grow a moustache' - and it was pathetic for years - it was awful.”

“Paul Davies noted in Nature, it is “almost impossible for the non-scientist to discriminate between the legitimately weird and the outright crackpot.”

“Once in a while a new government initiates a program to put power to better use, but its success or failure never really proves anything. In science, experiments are designed, checked, altered, repeated-- but not in politics... We have no real cumulative knowledge. History tells us nothing. That's the tragedy of a political reformer.”

“Either god exists or it doesn’t exist. If a god does exist, it either interacts with the universe in some detectable way or it doesn’t. If it doesn’t, that god is indistinguishable from a non-existent god. That only leaves a god who interacts with the universe in some detectable way. But if science, which is the greatest realization of the use of our senses to, you know, detect things, hasn’t found this god, that doesn’t say much for individuals.”

“The value the world sets upon motives is often grossly unjust and inaccurate. Consider, for example, two of them: mere insatiable curiosity and the desire to do good. The latter is put high above the former, and yet it is the former that moves one of the most useful men the human race has yet produced: the scientific investigator. What actually urges him on is not some brummagem idea of Service, but a boundless, almost pathological thirst to penetrate the unknown, to uncover the secret, to find out what has not been found out before. His prototype is not the liberator releasing slaves, the good Samaritan lifting up the fallen, but a dog sniffing tremendously at an infinite series of rat-holes.”