To be the first to enter the cosmos, to engage…

True sport is always a duel, a duel with nature, with one's own fear, with one's own fatigue, a duel in which the body…

— Yevgeny Yevtushenko

Of course risk is part of spaceflight. We accept some of that to achieve greater goals in exploration and find out more about ourselves…

— Lisa Nowak

Nature is a dream state at this point, that we almost don't have a real relationship to it unless it's people living off the…

— Catherine Opie

As human beings, it is our nature to dream about the future, but there is no future without a healthy nature. It's the common…

— Lupita Nyong'o

“It is a law of nature that a dream carried for too long inside you must, eventually, begin to rot.”

— Neil Bartlett

Nothing will stop us. The road to the stars is steep and dangerous. But we're not afraid . . . Space flights can't be…

— Yuri Gagarin

When I orbited the Earth in a spaceship, I saw for the first time how beautiful our planet is. Mankind, let us preserve and…

— Yuri Gagarin

“Space flight alone doesn’t do the trick. These days, anyone who has deep enough pockets and good enough health can go to space. Space…

— Chris Hadfield

By the way, Japan is also known to be actively engaged in manned space flights as part of the International Space Station.

— Vladimir Putin

For the last several years and culminating in six months in orbit next year, I've been training for my third space flight. This one…

— Chris Hadfield

I think that space flight is a condition of Nature that comes into effect when an intelligent species reaches the saturation point of its…

— Donald A. Wollheim

In space-flight terms, six landings on the moon back in the Sixties and Seventies doesn't mean much.

— Jim Lovell

Most of my family and friends are very familiar with the human space flight program and with the excitement of becoming an astronaut.

— Shannon Walker

“With almost no internal opposition, both the Senate and the House of Representatives responded to Kennedy’s challenge by increasing funds for the agency that…

— Courtney G. Brooks, James M. Grimwood, Loyd S. Swenson

The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We…

— John M. Grunsfeld