Civilization Quote by Trevor Paglen

The dead spacecraft in orbit have become a permanent fixture around our planet, not unlike the rings of Saturn. They will be the longest-lasting…

— Trevor Paglen

We need a continuing presence in space.

— Alan Shepard

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

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

On Mars, the crumbling remains of ancient civilizations may be found, mutely testifying to the one-time glory of a dying world.

— P. E. Cleator

In order for us to have a future that's exciting and inspiring, it has to be one where we're a space-bearing civilization.

— Elon Musk

The exploration of space will go ahead, whether we join in it or not, and it is one of the great adventures of all…

— John F. Kennedy

All civilizations become either spacefaring or extinct.

— Carl Sagan

Mankind will not forever remain on Earth but, in the pursuit of light and space, will first timidly emerge from the bounds of the…

— Konstantin Tsiolkovsky

“That place, called the heliopause, is one definition of the outer boundary of the Empire of the Sun. But the Voyager spacecraft will plunge…

— Carl Sagan

“The Cosmos extends, for all practical purposes, forever. After a brief sedentary hiatus, we are resuming our ancient nomadic way of life. Our remote…

— Carl Sagan

Circling the earth in the orbital spaceship I marvelled at the beauty of our planet. People of the world!! Let us safeguard and enhance…

— Yuri Gagarin