Acceptance Quote by Gus Grissom

If we die, we want people to accept it. We are in a risky business, and we hope that if anything happens to us…

— Gus Grissom

Now, more than ever, we need people in space... The events of September 11 show us how vulnerable we and our civilization are down…

— Paul Levinson

Space travel leading to skylife is vital to human survival, because the question is not whether we will be hit by an asteroid, but…

— Gregory Benford

Since, in the long run, every planetary civilization will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring--not because…

— Carl Sagan

Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring —…

— Carl Sagan

Life on Earth is at an ever-increasing risk of being wiped out by disaster. ... I think the human race doesn't have a future…

— Peter Diamandis

If we move toward the weaponisation of space, we can bid farewell to the planet. The chances of survival are very slight.

— Noam Chomsky

Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global warming, nuclear war, a genetically…

— Stephen Hawking

All of a sudden, space isn't friendly. All of a sudden, it's a place where people can die. . . . Many more people…

— Isaac Asimov

We all have our levels of risk tolerance. People who have decided they want to go to space are going to go.

— Jim Cantrell

When someone tells me, 'Oh, we have so many problems on Earth; space exploration costs too much money,' I say, 'I absolutely agree with…

— Mary Roach

Our only chance of long-term survival is not to remain lurking on planet Earth, but to spread out into space.

— Stephen Hawking