Chance Quote by Stephen Hawking

If we can avoid disaster for the next two centuries, our species should be safe as we spread into space. If we are the…

— Stephen Hawking

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

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

— Noam Chomsky

Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment…

— Stephen Hawking

I think we have a good chance of surviving long enough to colonize the solar system.

— Stephen Hawking

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

Some day we'll move into space and start ensuring the survival of our species beyond Earth, whether it happens in a hundred years or…

— Neil Turok

There's no question that if we stay on planet Earth and never leave, that eventually we'll be wiped out.

— John M. Grunsfeld

It is the hope of those who work toward the breakout from planet Earth that the establishment of permanent, self-sustaining colonies of humans off-Earth…

— Gerard K. O'Neill

Let me end with an explanation of why I believe the move into space to be a human imperative. It seems to me obvious…

— Gene Roddenberry

I believe that the long-term future of the human race must be space and that it represents an important life insurance for our future…

— Stephen Hawking