“I'd love to go back to space, I don't know any astronaut who doesn't want to.”

“While we've taken seeds into space, and astronauts on the International Space Station have eaten lettuce they've grown, we haven't produced fruit in space, so we can't pollinate something.”

“During launch, the outside of the rocket is covered in a protective fairing, so we couldn't see outside, but as soon as that was jettisoned, my first view of the earth was over the Pacific Ocean, w...”

“People are fascinated by space flight. It makes them interested in science, gets them asking questions and motivates them.”

“The government will see that human spaceflight is useful - for science and the economy - and inspirational.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”

“Not everyone may not think the way you do.”

“I think you're wrong.""Think what you like.”

“To think, to think, even with a split second left - to think was the only hope.”

“The more clearly you understand yourself and your emotions, the more you become a lover of what is.”

“There are only two ways to live your life: as though nothing is a miracle, or as though everything is a miracle.”

“The moral of the tale is, don't live for the approval of others. The real you is here to find out the secret of life, not to satisfy someone else's opinion.”